2 Channel WiFi/Zigbee Relay Switch Module RF 433Mhz Smart Switch Module Relay Timer Module DIY Smart Home Automation Door Access

Power Source : AC Battery Included : Yes Inbox adaptor : No Does It Includes Wireless Communication : Yes High-concerned chemical : None Communication method : Wi-fi Power Source : DC Brand Name : ALLOYSEED Origin : Mainland China Relay Switch Module : Relay Module Remote Control Smart Switch Module : Timer Switch Module Phone APP Remote Control : Wireless Remote Control