EC21 Product Catalogs - tri sensor

Wireless Door Stop Alarm

20150309

sensor with adjustable. Sensitivity to activate the door stop alarm if trampered with Power supply :DC 9V battery(not included) Alarm decibel: >85 db/3m Temperature:-10~+40 Humidity:<95% Size:150*45

GSM Alarm System with Audio Message Recording(YL-007M3D)

20110725

tri-band GSM/GPRS industrial communicator, SMS alarm function. Users can record 10 seconds alarm audio message with the scene location information . Arm & alarm delay function, the delay time is adju

2013 Hot Sales Anti-theft Security Device with Simple Desig/Quad Band

20130820

sensor. - Each wireless zone can use countless wireless sensors - Users can pre-record a voice message in the system and playback when system is alarmed. - Send SMS text to 3 mobile phones and auto-d