Mainland ChinaShenzhen Lingbao Electronics Co., Ltd. has introduced model AK-200FC/F1+AK-100F/DN20, a gas & carbon monoxide (co) comlpex alarm that is connected with a electromagnetic valve. The complex alarm contain two sensors. The gas sensor and co sensor carry out the EN 50194 and EN50291 standards respectively, which ensure the alarm detect the gas or co more currately. The connected electromagnetic valve can shut the gas valve automatically when the alarm is warning. Both the alarm and the electromagentic have the CE certification. Meanwhile, the alarm can is compatible with wired or wireless network connection, which enable the host to receive the signal timely It runs on the optional 220VAC/110VAC or 12DC/24DC. The available models are AK-200FC/F2+AK-100F/DN20 and AK-200FC/F3+AK-100F/DN20.