Wireless lift security fire alarm system for hotel, construction site
(1) Transmitter
(2) Signal Receiver
360°waterproof professional outdoor call button Key name: Call Color :Golden Brown Weight: 200g Size: 86*86*13mm Shell material:Bayer high fire-retardant PC Battery: 12V23A 1pcs Voltage: DC6V Current: <35mA Signal Distance:around 200m free area Fix Mode: Screw Frequenc: 315.75MHz Waterproof grade: IP67,can be used under water