1 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection Professional 1 channels relay with Wi-Fi, LAN, and Bluetooth connection, suitable for home and facility automation with remote control. Enhanced safety features and compatible with most used home automation platforms. KEY FEATURES LAN, Wi-Fi, and Bluetooth connection 1 output, 16A Dry contact DIN rail mountable We offer the latest versions offered by Shelly once the previous ones has been discontinued, current version is Shelly Pro 1 v.1 NOTES Standard warranty (included in purchase price): 5 Years warranty through manufacturer due to device malfunctions when it is used in user manual described conditions. While this is technically user-installable in many locales, we recommend consulting a licensed electrician to install automation components - in addition to being licensed to work with electrical devices, they are also familiar with local building codes. Manufacturer's note: Each Shelly device emits heat under load. Do not combine two or more Shelly devices stacked on top of each other in a confined space. There must be a minimum distance of 1 cm between them to allow for airflow. Type Value Physical Size (HxWxD): 94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in Weight: 63 g / 2.22 oz. Mounting: DIN rail Screw terminals max torque: 0.4 Nm / 3.54 lbin Conductor cross section: 0.5 to 2.5 mm² / 20 to 14 AWG (green connector)0.5 to 1.5 mm² / 20 to 16 AWG (blue connectors) Conductor stripped length: 6 to 7 mm / 0.24 to 0.28 in (green connector)5 to 6 mm / 0.20 to 0.24 in (blue connectors) Shell material: Plastic Color: Blue 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: N/A Max switching current AC: 16 A Max switching current DC: N/A Sensors, meters Internal-temperature sensor: Yes Radio RF band: 2400 - 2495 MHz Max. RF power: