FEATURE:YPL-AE08, it has eight different defense zones with the keyboard on the main panel, and 8 LED matches 8 zones. Furthermore, LED will flash when it alarms. Normally, it will program six groups of telephone numbers and record message for ten secondsThe system is compatible with our accessories, such as sensor, detector, siren and door magnetic etc, and widely used at home, shop, school, hospital, factory, warehouse, bank, government, etc1) 8 defense zones, 8 LED matches 8 zones, LED will flash when alarming2) Record message for ten seconds3) Program six groups of telephone numbers4) Can finish settings on the main panel5) Inner siren included6) Add or reduce additional accessories for the main panel upon user’s option7) Auto-call telephone numbers stored and send alarm message when alarm is triggered8) Separately arm/disarm for the certain defense zones9) auto-alarm when telephone wire is disconnected or destroyed10) Back-up rechargeable battery available for 36 hours when power is off11) Long-distance operation under password protection12) Can link up to the network of alarm center through an ID code13) Without installation of wires and cables, DIY project SPECIFICATION: 1) CE, CCC certificates2) Working frequency: 315MHz/433MHz3) Power adapter: Input AC110V, 220V; 230—240V; Output DC 9V, 300mA4) Stand-by current: ≤20mA 5) Alarm current: ≤150mA6) Inner siren: ≥85db7) Working temperature: -10 ~ 50℃8) Working atmosphere pressure: 86 ~106Kpa9) Relative humidity: ≤ 90%10) Dimension: 340x 250 x 78mm (Gift box)11) Net Weight: 1,200 g PACKAGE:Box dimensions (L x W x H): 34 x 25 x 7.8cmCarton dimensions (10sets/ctn) (L x W x H): (53cm*35cm*40cm)Normal package: one main panel, one PIR detector, one door sensor, back-up battery and an UPS adapter, two remote controllers.All main panels can work with smoke fire detector, external siren, gas leakage detector, wireless/wired flashing siren, wired/wireless horn, wireless shutter sensor......