・【Smart 4-Channel Relay Switch】This smart relay switch supports four independently controlled channels,allowing you to automate and manage multiple devices with ease ・【Smart Connectivity】Remote control via mobile app allows you to manage your home devices from anywhere,supporting for Amazon Alexa and for Google Home for convenient voice control ・【Family Sharing】Share device control with family members through the Smart Life App for collaborative management of home smart devices ・【Customizable Scheduling】Set personalized on/off tasks based on your daily routines for enhanced automation ・【Versatile Applications】Suitable for various scenarios including garage doors,light switches,outlets,water pumps,and more,offering wide-ranging utility setups Specifications: ・Input voltage: DC/AC7-32V,AC 85-250V ・Maximum load: 10A/Gang ・Protocol: Zigbee 3.0 (DC/AC7-32V),WiFi 2.4ghz b/g/n+Bluetooth-compatible (AC 85-250V) ・Radio frequency: 433 Mhz ・Operating temperature: -20℃~70℃ ・Dimensions: 84*79*28.5mm ・Certifications: CE and RoHS Package included: ・1 x Smart Relay Module DIY Switch ・1 x English and Chinese User Manual