Sonoff 4CH Pro 433MHz Remote Control + WiFi Smart Timer Switch, Interlock / Self-locking, 3 Working Modes, Compatible with Alexa and Google Home, Support iOS and Android Bluetooth Speakers The range can reach up

The range can reach up to 10 meters with unobstructed line of sight

Weight: 883 grams (with shock mount)

a variety of atmospheres can be changed at will

Outer shell PC + ABS flame retardant material

Uniformity: greater than 90%

Sonoff 4CH Pro 433MHz Remote Control + WiFi Smart Timer Switch, Interlock / Self-locking, 3 Working Modes, Compatible with Alexa and Google Home, Support iOS and Android Bluetooth Speakers The range can reach up1. Support AC DC Voltage and remotely turn on off the connected lights appliances by iOS Android App eWeLink or 433MHz RF Remote. You can use WiFi to remote control 4 devices separately. 2. It is a 4 gang WiFi switch. It supports switching among 3 working modes: interlock self locking inching(0. 25 4s adjustable) mode. 3. The smart socket can create 8 enabled single repeat countdown timers to automatically turn on off at the specified time. The timers