Model Number: HS1CG-V028-#6481 Brand Name: HEIMAN/OEM Brand Key Specifications/Special Features: Main features:Low power consumption ZigBee technologyAdopt standard ZigBee Zha protocol or Zwave protocolAC power supplySmart and fashionable appearance designZigBee repeater, extend wireless transmission distanceOnline monitoringHigh stability semi-conductor sensor adoptedPlug-in the socket on the wall, convenience installment Key Words IoT ZigBee Gas Sensor Working voltage AC110V-235V (universal AC input) Average power supply ≤0.3W Sound Alarm 75dB/1m Networking ZigBee Ad-hoc Network Alarm sensitivity 6% LEL±3%LEL Wireless networking distance ≤100m (in the open area) Anti-RF interference 80MHz-1GHz 10V/m Working environment -10°C-50°C Working humidity Maximum 95% RH Dimension 54*54*45mm