PHYSICAL
Size (HxWxD): 35x45 mm / 1.37x1.77 in
Weight: 16 g without battery 33 g with battery
Mounting: Wireless
Shell material: Plastic
Color: Black or white
ENVIRONMENTAL
Ambient temperature: -10 °C to 50 °C / 14 °F to 122 °F
Humidity 30 % to 70 % RH
Max. altitude 2000 m / 6562 ft
ELECTRICAL
Power supply, Batteries 3V DC - CR123A
Estimated battery life Up to 18 months
Power consumption Static ?70uA Awake ?250mA
RADIO
RF band: 2401 - 2495 MHz
Max. RF power: <20 dBm
Wi-Fi protocol: 802.11 b/g/n
Wi-Fi Range: Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions)
MCU
CPU: SiLabs
Flash: 2 MB
FIRMWARE CAPABILITIES
Webhooks (URL actions): 5 with 5 URLs per hook
Scripting: No
MQTT: No
SENSORS
Temperature sensor: Yes
Humidity sensor: Yes