Wireless gas leakage alarm Model:CVC-Q02 Features 1. Automatic Reset 2. Microprocessor control 3. High reliability sensor 4.automatic fault detection indication 5.detection of natural gas, liquefied petroleum gas 6.SMT process, strong stability Specifications 1.Operating voltage: 220VAC or 110VAC, 12DC-20DC 2.Basic Alarm concentration: 3.Combustible gas: Gas 0.1% ~ 0.5%, LPG0.1% ~ 0.5%, 4.Natural gas: 0.1% to 1% 5.Gas body response time: ¡Ü 30S 6.Gas body recovery time: ¡Ü 30S 7.Select features: 8.Exhaust fan interaction, together manipulator, solenoid valve 9.Wired networking: (NO, NC) 10.Wireless networking: 315MHZ/433MHZ (2262 Coded excitation) and the rolling code. Size:111 * 71 * 43.4mm Carton box.