smoke detector tester for CO

CO alarm with drift compensation direct from Wanlin Fire Protection — 12-year factory experience, WL-SF700 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Multi-Protocol Gateway + 4G/Ethernet/WiFi + Edge Computing + Cloud Platform + API/SDK, Modbus/BACnet/KNX/MQTT/HTTP + 4G/Ethernet/WiFi + Cloud Dashboard + API···

Telescopic Smoke Detector Tester direct from Wanlin Fire Protection China — WL-SG500 Compact Portable Smoke Detector Tester, VdS approved, compatible