WiFi-operated smart switch, 1 channel 16A Shelly Plus 1 is a small form factor smart switch with potential-free contacts, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services.Shelly Plus 1 can be accessed, controlled and monitored remotely from any place where the User has internet connectivity, as long as the device is connected to a Wi-Fi router and the Internet.It can be retrofitted into standard electrical wall boxes, behind power sockets and light switches or other places with limited space.Shelly Plus 1 has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings. KEY FEATURES Dry contacts Extremely fast processor – ESP32, Improved API interface Enhanced safety Enhanced security - MQTT and WSS support, TLS and custom certificates support Designed to fit in most standard electrical boxes and switches Easy control through the Shelly app, various protocols, and platforms, as well as voice assistants NOTES Standard warranty (included in purchase price): 3 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): 37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 in Weight: 26 g / 0.92 oz Mounting: Wall console Screw terminals max torque: 0.4 Nm / 3.5 lbin Conductor cross section: 0.5 to 1.5 mm² / 20 to 16 AWG Conductor stripped length: 5 to 6 mm / 0.20 to 0.24 in 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: 110 - 240 VAC / 24 - 48 VDC / 12 VDC ±10% Power consumption: < 1.2 W Output circuits ratings Max switching voltage AC: 240 V Max switching voltage DC: 30 V Max switching current AC: 16 A Max switching current DC: 10 A Sensors, meters Internal-temperature sensor: Yes Radio RF band: 2400 - 2495 MHz Max. RF power: