Detect Multiple Gases: Household gas detector suitable for detecting LPG (methane), naturall gas, charcoal, gas gas, artificial gas, liquefied petroleum gas, liquefied natural gas . Digital LED Display and Audible Warning: The gas detector offers voice notification and Digital Gas Concentration Readout When the gas leakage concentration reaches the preset level, the alarm will provide a signal visual and audible 85dB audible alarm, reduce the risk of gas explosion and protect the lives of your family and property. Easy to install: gas leak detector easy to can be used by plugging it directly into the power supply to detect gas leaks. Widely used: This product can be used as an independent family alarm equipment, and can also be used as detector Widely used for restaurant, hospitals, hotels, oil factories, Garages, gas stations, etc. Precautions: the system warm-up time is about 2-3 this period, the test of gas will not work You need to wait for the screen to show 0 (the system enters the working state) before it can be tested normally The gas leak detector easy to install design, can be used in plugging it directly into the power supply to detect gas leaks. Home Security The gas detector offers voice notification and a digital display of the GAS concentration When the gas leak concentration reaches a preset level, the alarm emits a visual and audible signal The audible alarm of 3.85 dB reduces the risk of gas explosion and protects your familys life and property Features and LPGnaturall gas and gas Coal 50/60Hz AC100V~AC240V -13 - 131(-25~55) MCU and SMT chip technology Warm-up The detector turns on 3 seconds before the warm-up mode, the time of warm-up is 3 The green POWER light is always on and the STATE light is flashing green. The - characters flash on the screen. Normal After finishing the warm-up mode, the alarm enters the detection mode The number 0 appears on the display screen, and only the green POWER light stays on Failure If the alarm fails and cannot be used normally, the yellow STATE indicator is on, the green POWER indicator is blocked and the ALARM indicator is off. 1-2%LEL Digit 1 or 2 displayed on the screen, the green POWER light stays on and the detector does not sound an alarm. Where to install First determine whether the gas to be detected is lighter orheavier than air Gas heavier than airliquefied petroleum gas at 0.3 m from the ground and 1.5 m from the radius of the air source; in case of detection of gases lighter than air: the alarm at 0.3-1.0 m from the ceiling and 1.5 m from the radius of the air source