Can be controlled by microcomputer with advanced digital signal processing ability Tri-color display Supply maximum 64 times 7-level sensitivity set Trigger keypad Real time sensitivity adjustable Display battery voltage Detect all halogenating refrigeratingmedium Mechanic pump can supply forward air that passes the sensor Wireless mobile, Size 2 Alkaline batteries(2) 14 inches(35.5cm) soft stainless probe Selective leak source Two years warranty