1,220V AV input 2,sensitivity 10%LEL 3,Power 1.7W 4, -10-50 degree 5,alarm sound 85db Easy installation and maintenance Modernized design Detect all sorts of combustible gases, LPG and LNG include city gas Ideal for all kitchens Excellent reliability & high stability Self test function Durable sensor head -Less affected by other organic solvent High Accuracy AC ~ DC adaptor included Loud sound ...