Prices and Buying Options for Watchman
Watchmans

Prices includes USPS First-Class / Ground-Advantage shipping (2-5 days). If you prefer faster shipping, we offer USPS Priority Mail (2-3 days) option at check out.

Quantity Discount: There is a 3% discount for every additional unit (of same type). Discount shows up as items are added to the cart.

Warranty: 30-days money-back including shipping. 90-days product warranty (customer to pay shipping for both-ways). The product warranty is extended to 1 year for subscribed units. The warranty period starts from the unit purchase date.

All units are powered via regular outlet. The default LCD option is the display with blue background light. However, if blue light is harmful for your use case (e.g. for agricultural farms, blue light can be harmful for plants), you may choose LCD with green background light (no price difference).

Service features: Unit's regular price includes email alerts to your login email (no subscription required). All units offer an API to fetch logs directly from the unit.
For additional features (such as text alerts, power loss detection, add users, daily log-snapshot etc), a subscription ($2.49/month or $19.99/year) is required that you may add after the purchase. Alternatively, you may buy Watchman along with BuyOut that offers all features for life of the Watchman (no more monthly/yearly subscription). Please note that BuyOut is not transferable. For more information on features, click here.

Standard Watchman

Temperature, Humidity
SKU: 786-2017-01

- Offers Temperature and Humidity logs and alerts.

- Suitable for indoor use for temperature ranging from 0F to 150F.

- For more details click here.

Standard Watchman with Pressure Sensor

Temperature, Humidity, Pressure
SKU: 786-2020-01-03

- Offers Temperature, Humidity and Pressure logs and alerts.

- Suitable for indoor use for temperature ranging from 0F to 150F.

- For more details click here.

Watchman with Air Quality Sensor

Temperature, Humidity, Air Quality (ppm CO2)
SKU: 786-2025-01-AQ

- Offers Temperature, Humidity and Air Quality (ppm CO2) logs and alerts.

- Suitable for indoor use for temperature ranging from 0F to 150F.

- For more details click here.

Watchman with External Probe

(Using Round Cable - 4mm thick)

- Offers Temperature logs and alerts. For more details click here. (SKU: 786-2020-05)

- Suitable for freezers, pools, storage, underground etc. External probe is water resistant, and offers a measurement range from -40F to 170F.

- Please ensure that base unit is protected from direct sunlight and at temperature from 0F to 150F.

[pictures may not reflect your selection of probe length]

Watchman with External Probe

(Using Ribbon Cable - 2mm thick)

- Offers Temperature logs and alerts. For more details click here. (SKU: 786-2020-05-R)

- Works better when running probe over freezers/refrigrators door seals. Only 2mm thick, ensures proper sealing. Offers measurement range from -40F to 170F.

- Please ensure that base unit is protected from direct sunlight and at temperature from 0F to 150F.

Offered in 3m probe length, same features and same price as with round probe cable

Probe buffered with Glycol

(an Add-On for Watchman with External Probe)

- Glycol provides a buffer and probe reads an accurate temperature of the contents. (in cold storage). With out such buffer, probe shows a higher variation (than the actual) in temperature of the contents, as refrigerator / freezer cycles through the defrost. CDC recommends using buffered probes as temperature monitoring for medicine and vaccine storage. For more details click here. (SKU: 786-2020-05-G)

- If you are ordering multiple External Probe Watchman units and you only want subset of them to be buffered probes, please send a note to us along with your order. You will be able to specify the desired number of buffered probes on checkout (a discount of 10% automatically applies on additional buffered probes at checkout).

- Note: This is listed as "Add-On" to your "Watchman with External Probe" order. Though you may buy as stand-alone order, it does not come with probe.

Watchman for pool/spa (10k Thermistor) NTC Temperature Probe

Temperature
SKU: 786-2018-05-NTC

- Offers Temperature logs and alerts. For more details click here.

- This Watchman type is programmed to work with 10k NTC Thermistor temperature probes commonly used for pools and spas. The product does NOT come with a thermistor probe. You will connect probe of your choice using 2-wire connector (in any order) on the side of the enclosure.

- The product is rated to function correctly between 50F to 120F. If exposed to temperatures outside the qualified range (i.e. 50F to 120F), the temperature readings may be off by +/-5F.

Watchman with K-Type Thermocouple Temperature Probe MAX6675

Temperature
SKU: 786-2020-05-6675

- Offers Temperature logs and alerts.

- The unit comes with a 14in long K-Thermocouple cable that can easily be replaced per your specific needs. For more details click here.

- Suitable for BBQ, ovens etc. This watchman uses MAX6675 module, rated to read temperature range from 32F to 1875F (accuracy may vary by 5% for temperature above 1300F).

- Please ensure that base unit is protected from direct sunlight and at temperature from 0F to 150F.

Watchman with K-Type Thermocouple Temperature Probe MAX31855

Temperature
SKU: 786-2021-05-31855

OUT OF STOCK

- Offers Temperature logs and alerts.

- The unit comes with a 14in long K-Thermocouple cable that can easily be replaced per your specific needs. For more details click here.

- Suitable for freezers, BBQ, ovens etc. This watchman uses MAX31855 module, rated to read temperature range from -300F to 1300F (accuracy may vary by 5% for extreme temperatures).

- Please ensure that base unit is protected from direct sunlight and at temperature from 0F to 150F.

Watchman with Gas monitoring

Temperature, Humidity, Gas level
SKU: 786-2019-01

- This variation of Watchman product combines gas sensor along with temperature and humidity sensors.

- MQ2: suitable for combustible gas, natural gas, smoke, alcohol, propane detection.

- MQ9: suitable for carbon monoxide, coal gas and liquefied gas detection.

- Please note that it does not provide the exact gas concentration (provides relative values). The detection of certain components in the air usually requires a more precise and costly instrument, which cannot be done with a single gas sensor. For more details click here

- Suitable for indoor use for temperature ranging from 0F to 150F.

Watchman with Water sensor and buzzer

Temperature, Humidity, Water
SKU: 786-2019-01-02

- This variation of Watchman product combines water sensor along with temperature and humidity sensors.

- In addition to be alerted for changes in temperature and humidity, now you can also be alerted for water leaks, that is detected by value varying from 0-1024.

- The sensor will report 0-50 for dry conditions whereas it will read higher (usually 200+) the moment it detect any water or moisture droplets. Also triggers a buzzer sound for alerting. Cable length to water sensor is ~80-85cm. For more details click here.

- Suitable for indoor use for temperature ranging from 0F to 150F.

Waterlite Watchman with No Display

Water
SKU: 786-2019-01-02-W

- If you are only looking for water leak detection, then this low cost option is a right fit.

- Water leak is detected by value varying from 0-1024. The sensor will report 0-50 for dry conditions whereas it will read higher (usually 200+) the moment it detect any water or moisture droplets. Also triggers a buzzer sound for alerting. Cable length to water sensor is ~80-85cm.

- For more detail click here

- Suitable for indoor use for temperature ranging from 0F to 150F.

Watchman with Noise Sensor

Temperature, Humidity, Noise
SKU: 786-2020-01-04

- This variation of Watchman product combines noise sensor along with temperature and humidity sensors.

- In addition to be alerted for changes in temperature and humidity, now you can also be alerted for fire or burglar alarm, loud music, large gatherings or any other noisy events.

- Noise is detected by value varying from 30-100. The noise sensor reports 30-50 for quiet conditions whereas it reads higher (80+) for noisy conditions. For more detail click here

- Suitable for indoor use for temperature ranging from 0F to 150F.

Watchman with ON/OFF Relay

Temperature, Humidity, Relay
SKU: 786-2023-06-29

- This variation of Watchman product combines ON/OFF Relay along with temperature and humidity sensors.

- In addition to monitoring temperature and humidity, now you can program (via the pp-Code portal) to operate an electric appliance based on Temperature or Humidity values.

- For more detail click here

- Suitable for indoor use for temperature ranging from 0F to 150F.

(Optional) Watchman 4G-LTE-MODEM

- For places where there is no WiFi for Watchman to connect with. Requires a monthly data plan (starts at $6/month). You may connect multiple Watchman units per modem and purchase the date plan accordingly (click here for detail). The data plan is purchased via the portal at the time of modem activation.

- The 4G-LTE-MODEM comes with a T-Mobile SIM (please ensure that you have T-Mobile coverage in your area before making the purchase). The modem connects with 4G/LTE service for data connection. In addition, it broadcasts a WiFi/SSID that Watchman(s) are pre-programmed to auto-connect with and go online. If you plan to connect your other devices to the modem, send us an email asking for modem's WiFi password.

- In order to offer better price to our customers, we procure used modems (hence may show scratches). Though used, we test and guarantee their functionality. It does not comes with USB charger cable. It uses standard commonly available micro-USB cable.

(Optional) Watchman Gateway

- Recommended if your are looking for plug-and-play setup or you have dual-band WiFi. Please note the gateway does NOT offer or replace (your existing) Internet service..

- Simply cable-connect the gateway to your existing router and Watchman units will auto-connect and come online. They are pre-programmed to connect with the gateway (no need to perform WiFi setup on Watchman).

- You only need 1 gateway for all your Watchman units at a given location.

Connecting Gateway to your router