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

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

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)