Shelly Plus Uni

Physical
PCB size (LxWxH): 40x21x7 mm / 1.57x0.83x0.28 in
Weight: 8.5 g / 0.3 oz (with the cables)
Environmental
Ambient temperature: -20 °C to 40 °C / -5 °F to 105 °F
Humidity 30 % to 70 % RH
Electrical
Power supply: 8-24 VAC
9-28 VDC
5 VDC (stabilized, via +5 VDC and GND)
Power consumption: < 1 W
Input circuits ratings
Digital inputs resistance: 50 kΩ
Digital inputs triggering voltage: 1.5 V (active low level)
Output circuits ratings
Max switching voltage: 30 V
Max switching current: 300 mA
Sensors, meters
Voltmeter: 0-15 VDC / 0-30 VDC (Two-range)
Voltmeter accuracy:
Pulse counter input triggering voltage: 1.5 V (active low level)
Pulse counter max frequency: 1 kHz
External sensors supported: Single DHT22 or up to five DS18B20
Radio
RF band: 2400 - 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)
Bluetooth Protocol: 4.2
Bluetooth Range: Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)
MCU
CPU: ESP32-U4WDH
Flash: 4 MB
Firmware capabilities
Schedules: 20
Webhooks (URL actions): 20 with 5 URLs per hook
Scripting: Yes
MQTT: Yes
CoAP: No
For more information press here