Battery Tester 360 degree arbitrary rotation and

360 degree arbitrary rotation and 180°flip

Benefit: Natural

eco-friendly

anti-fingerprint

since the pet may scare when you use this at first time

Battery Tester 360 degree arbitrary rotation andMulti level fixed battery card slot for battery measurement of various specifications. FEATURES: Measurable battery types: various button batteries, 5, 7, 9V square batteries, etc. Function: It can measure whether the battery is full or not. The color of the indication indicator is as follows. Red (RE PLACE replacement or RE CHARGE charging): If the indicator pin points to this block, the battery under test needs to be replaced or recharged, that is,