ELC BT-523 Battery Checker - Black + Silver
Brand: ELC - Model: BT-523 - Color: Black + silver - Material: ABS - Test batteries for D.C AA AAA N:1.5V 6F22:9V - Measurement environment: 0~40'C 25%~80%RH - Red: Battery must be replaced - Yellow: Battery has a limited life - Green: Battery is good for use