GOLDCHAMP Portable 4 Gas Monitor for H2S, CO, LEL & O2 with High-Sensitivity Sensor, Data Storage, Triple Alarms, Large-Capacity Battery, Triple-Proof Design & Large LCD Display for Industrial Safety

The handheld gas detector can detect 4 gases at the same time, including oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S) and explosive flammable gas (EX). It uses electrochemical sensors and catalytic sensors, with accurate measurements, large-capacity batteries, long standby time of more than 18 hours, and 3 alarm modes to keep you away from danger.SpecificationDetection Gases: H2S, CO, LEL, O2Detection Range:EX: 0-100% LELH2S: 0-100 PPMCO: 0-1000 PPMO2: 0-30% VOLResponse Time: Less than 45 secondsBattery Capacity: 2000mAh rechargeable lithium batteryStandby Time: Up to 18 hoursAlarm Modes: Sound, light, and vibration alarmsDisplay: Large LCD backlight displayDesign: Triple-proof (waterproof, dustproof, explosion-proof)Data Storage: Built-in for tracking gas concentration historyAccessories: Convenient back clip What's in the package1 * Aluminum alloy box1 * GC-ADKS-4 Gas detector1 * Instruction manual1 * Standard gas cover1 * Data cable1 * Charging plugAfter-sales serviceIf you have any questions, please feel free to contact us and we will provide you with quality service