Features:1) Power:a) AC: 110 / 220Vb) DC: 9V battery2) Sound level: above 85dB (at 3m)3) Static current: below 8μA4) Alarm current: 10mA5) Low voltage alarm: 5.5 - 6.2V6) Ambient temperature: -5

Features:1) Power:a) AC: 110 / 220Vb) DC: 9V battery2) Sound level: above 85dB (at 3m)3) Static current: below 8μA4) Alarm current: 10mA5) Low voltage alarm: 5.5 - 6.2V6) Ambient temperature: -5

Features:1) Power:a) AC: 110 / 220Vb) DC: 9V battery2) Sound level: above 85dB (at 3m)3) Static current: below 8μA4) Alarm current: 10mA5) Low voltage alarm: 5.5 - 6.2V6) Ambient temperature: -5

Features:1) Power:a) AC: 110 / 220Vb) DC: 9V battery2) Sound level: above 85dB (at 3m)3) Static current: below 8μA4) Alarm current: 10mA5) Low voltage alarm: 5.5 - 6.2V6) Ambient temperature: -5

Features:1) Power:a) AC: 110 / 220Vb) DC: 9V battery2) Sound level: above 85dB (at 3m)3) Static current: below 8μA4) Alarm current: 10mA5) Low voltage alarm: 5.5 - 6.2V6) Ambient temperature: -5

Product Name: Gas leak DetectorModel Number: SC-2003A-EPlace of Origin: ChinaFeatures:1) Power:a) AC: 110 / 220Vb) DC: 9V battery2) Sound level: above 85dB (at 3m)3) Static current: below 8muA4) Alarm

Wireless type to protect the whole room, sensitivity can be adjusted for fixing the environment so to avoid fail alarm.Functions:1. Mollusk drive, digital signal process 8/12 bit microprocessor (8MHz)

Features: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 protecting zones5) Pas

Features:1. Blue LCD digital display feature2. Handle process has English menu display, key and voice clew, easy to handle3. Blue LCD display, clock data real time display, handle content and work est