Specifications Type Value Physical Size (HxWxD): 96x53x59 ±0.5 mm / 3.78x2.01x2.32 ±0.02 in Weight: Mounting: DIN rail Screw terminals max torque: 0.4 Nm / 4.43 lbin Conductor cross section: 0.5 to 2.5 mm? / 20 to 14 AWG Conductor stripped length: 6 to 7 mm / 0.24 to 0.28 in Shell material: Plastic Color: Black Environmental Ambient temperature: -20 °C to 40 °C / -5 °F to 105 °F Humidity 30 % to 70 % RH Max. altitude 2000 m / 6562 ft Electrical Power supply voltage AC: 110 - 240 V Power supply voltage DC: N/A Power consumption: < 3 W Neutral not needed: No Output circuits ratings Max switching voltage AC: 240 V Max switching voltage DC: 30 V Max switching current AC: 16 A per channel, 48 A total Max switching current DC: 16 A per channel, 48 A total Sensors, meters Internal-temperature sensor: Yes Radio RF band: 24010- 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-D0WDQ6 Flash: 8 MB Firmware capabilities Schedules: 20 Webhooks (URL actions): 20 with 5 URLs per hook Scripting: Yes MQTT: Yes CoAP: No