Feature: 1. Long flexible stainless steel probe helps you reach more area. 2. Sound and light alarms for flammable gas leakage and timely feedback. 3. With gas leakage degree indication and low battery indication. 4. Compact in size, light in weight, easy to carry and operate. 5. Adjustable sensitivity, adapts different detection requirements. Specification: Item Type: Combustible Gas Detector Material: ABS+Stainless Steel Color: As shown in the picture Application: Detection of combustible gas Gas Type: Methane Sensitivity: 50ppm methane (adjustable) Whether with LCD Display: No Working Current: About 150mA Alarm Mode: Sound and light alarm Detection Gas: Combustible gas Alarm: Sound and light Sensor Type: Low power semiconductor Warm-up Time: 60 seconds (25°C, ambient humidity 60%) Response Time: 2 seconds Operating Cycle: Continuous operation Alarm Limit: Methane Lel 10% Working Temperature: 0~50℃ Low Battery Indicator: 3 /-0.2V Power Supply: 3 x 1.5V AAA batteries (not included) Working Current: About 150mA . Package List: 1 x Combustible Gas Detector(Battery Not Included)1 x Instruction Manual