Specifications:1) Wire / wireless zones2) Arm3) Disarm4) 120dB5) Frequency: 315Hz or 433Hz6) Auto dial the phone7) The metal box

Functions:1) Telephone alarm: 9 lines telephone auto-dialer for alarm, can informhosts mobile telephone2) Wireless connections: wireless connections between the host and detector,simple and convenient

Model:sc-2003CFeatures:1) 10 second call auto-answer message auto-memorize and auto-reply2) Phone alarm: 6 lines phone auto-alarm and 6 lines3) Emergency phones, includes mobile4) 32 wireless protecti

Specifications:1) Model no.: sc-2003A-7282) Power source: 9V battery3) Operating current: 10uA (normal) and 20 - 50mA (alarm working)4) Sensitivity to smoke: in comply with UL217 and BS5446: Part 1 20

Model: SC-2003A-308Features:1) Electric voltage: DC 9 to 15V, connect with the major machine2) Electric current: static state electric current bellow then 50μAs3) Electric current bellow than 15mAs

Specifications:1) Model no.: SC-2003A-7282) Power source: 9V battery3) Operating current: 10uA (normal) and 20 - 50mA (alarm working)4) Sensitivity to smoke: in comply with UL217 and BS5446: Part 1 20

ABS Housing In Black Or White;Operating Range: 6-15SPL: 112 + -3dBRated Voltage(VDC): 12Meas (mm): 450*290*375Packing Details:White or color box, then carton120pcs/CTNCTN. G.W.: 12kgCTN Size: 58.5*24*

ABS Housing In Black Or White;Operating Range: 6-15SPL: 112 + -3dBRated Voltage(VDC): 12Meas (mm): 450*290*375Packing Details:White or color box, then carton120pcs/CTNCTN. G.W.: 12kgCTN Size: 58.5*24*

We manufacture and sell many kinds of Sirens, including electronic siren, battery back-up siren, piezo siren, and microphone sirenThis model is Piezo SirenUsed in car, home security, and other places