Name: Battery Tester (Battery Tester) Model: BT-860 Measurable battery type: 1.5V and 9V battery Function: measure the battery is power is sufficient, the color indicates the instructions described below: Red (RE-PLACE replaced or RE-CHARGE charging): refers to this as indicating needle block, then test the batteries need to be replaced or recharged, the battery is basically not used; Yellow (LOW): very little battery power, but some appliances can also use Green (GOOD): Battery fully charged Battery test a variety of sizes: 9V: PP3, MN1604, 6F22, 006P 1.5V: AAA, HP16, MN2400, R03 AA, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20, UM1 All button batteries Colour: Black Size: 55 * 53 * 23 mm Weight: 33 g