Gas DetectorCarbon Dioxide Detector MiniHigh Sensitivity:Capable of detecting small leaks, ensuring rapid identification of issues in your refrigeration system. Adjustable Sensitivity:Features 6-level sensitivity adjustment, tailoring to various leakage concentrations for precise detection. Visual and Auditory Alarms:Level 6 sound and light alarm, coupled with LED indicators, provide clear and immediate alerts. Easy Operation:User-friendly sensor and automatic reset upon startup simplify the diagnostic process. Long Battery Life:With 20h battery alkaline batteries, the detector ensures extended use without frequent replacements. Color: As shown Material: plastic Package Contents: 1*Electronic Leak Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.