Liquefied Gas Leak, Detector Sensor Alarm For Home System Security. Features: High Reliability Sensor. Automatic Reset After Alarm. Microprocessor Control. Automatic Fault Detection Indication. Detection of Natural Gas and Liquefied Petroleum Gas. Made by SMT Process, High Stability. Specifications: Operating Voltage:DC12V Static Current:90mA Alarm Current:100mA Rating Power: 3W Warm-up Time: About 180S Alarm Concentration: 10%LEL Sound Level: 85dB/m Operating Temperature: -10- +50 Environment Humidity: 95% RH Size: About 11.5cm/4.52"x 7.2 Cm/2.83"x4.1 Cm/1.61" Installation Mode: Wall Mounted Alarm Output: Relay Output/sound & Flash Alarm Execute Criterion:EN50291/GB15322.2-2003 Alarm Indicator: Red LED Flash Fault Indication: Long Light, Buzzer Sounds Application: for Security System or Others Etc. Package Included: 1 X Gas Leak Detector 1 X Screw . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.