The portable 3-in-1 combustible gas detector monitors combustible gas concentration, temperature, and humidity in real time. Equipped with high-precision sensors, it detects combustible gas concentrations from 0 to 1500 PPM, temperature ranges from 32 to 122F (2.7F) or 0 to 50C (1.5C), and humidity levels from 20% to 80% RH (5% RH). Readings from 0 to 1499 PPM are indicated by a green flashing light (safe), while 1500 PPM and above trigger a red flashing light (danger). The alarm activates automatically at 1500 PPM. Features a built-in 1000 mAh lithium battery and supports fast charging via QC2.0, PD3.0, AFC, and USB-C UFP (BC1.2 DCP) protocols, with input power from 10 to 65 W. Includes an outdoor lanyard for easy carrying, ideal for travel, camping, picnics, and outdoor adventures. The back of the device has a magnetic feature, allowing attachment to metal surfaces such as appliances or vehicles. Dimensions: approximately 7.6 x 7.6 x 3 cm Material: ABS Color: As shown Package includes: 1 x Detector 1 x User manual in English 1 x Lanyard 1 x Data cable Content limited to items listed; other accessories not included. Note: Lighting effects and display settings may cause slight color variations between the product image and actual item. Measurement tolerance is 13 cm.