We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small square black plastic sensor with rounded corners, tabletop style

Sonoff SNZB-02P temperature humidity control sensor 4.5 cm

SKU CH-07FE-0AD7S MPN SNZB-02P

Monitors indoor temperature and humidity with ±0.2°C accuracy and sends comfort alerts via a Zigbee 3.0 hub

  • Product nameSNZB-02P SONOFF SNZB-02P 1 PACK
  • voltage120 volts
  • location/usageTabletop
  • finishBlack
  • styleContemporary
  • materialPlastic
  • High accuracy with Swiss sensor at ±.2°C and ±2%RH
  • Updates readings every 5 seconds for latest changes
  • Zigbee 3.0 hub required for smart-home integration
  • Comfort alerts sent to phone when limits exceeded
  • Up to half-year free cloud storage with data export

Zigbee 3.0 temperature and humidity sensor

The Sonoff SNZB-02P is a compact indoor thermometer and hygrometer that reports temperature within ±0.2 °C and humidity within ±2 %RH. It connects to a Zigbee 3.0 hub such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, Echo 4th Gen or SmartThings Hub V3. The device is designed for tabletop placement and suits homeowners who want remote climate monitoring and comfort alerts on their phone.

Continuous monitoring with five-second updates

Measurements refresh every five seconds, giving a near real-time view of changing conditions rather than a single snapshot. Temperature and humidity history is stored in the cloud for up to six months and can be queried by day, month or half-year intervals, with export available for further analysis. Alerts trigger immediately when readings leave a user-defined comfort range. The sensor is not suited for installations that require wired power or direct Wi-Fi connectivity without a Zigbee hub.

Plastic tabletop unit with CR2477 battery

The white plastic housing measures 4.5 cm by 4.5 cm by 1.7 cm and weighs 0.04 kg, allowing discreet placement on any flat surface. A single CR2477 cell provides up to four years of operation based on SONOFF laboratory testing, reducing maintenance frequency. No mounting hardware is included, so the sensor remains portable and can be moved between rooms as needed.

Highlights

  • High accuracy with Swiss sensor at ±.2°C and ±2%RH
  • Updates readings every 5 seconds for latest changes
  • Zigbee 3.0 hub required for smart-home integration
  • Comfort alerts sent to phone when limits exceeded
  • Up to half-year free cloud storage with data export

Specifications

ModelSNZB-02P
Product nameSNZB-02P SONOFF SNZB-02P 1 PACK
voltage120 volts
location/usageTabletop
finishBlack
styleContemporary
materialPlastic
weight0.04 kilograms
descriptionSNZB-02P 1 PACK, SONOFF, SNZB-02P, CR2477
notesSNZB-02P 1 PACK
featuresMotion Sensor
typeMotion Sensor
size dimensions4.5 cm x 4.5 cm x 1.7 cm

Questions about this item

Does the CR2477 battery last long enough for continuous daily monitoring?

The manufacturer states up to four years of battery life from a CR2477 cell under laboratory conditions; actual duration depends on reporting frequency and environment.

Which Zigbee 3.0 hubs are confirmed to work with this sensor?

Compatible hubs include SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, Echo 4th Gen and SmartThings Hub V3; any hub following the Zigbee 3.0 protocol should pair.

Can the sensor stay accurate when placed near older thermostats or heating units?

The Swiss-made sensor maintains ±0.2 °C temperature and ±2 % RH accuracy with 5-second refresh, independent of nearby legacy climate devices.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.