This battery tester is multi-purpose and applicable to a variety of batteries. It's lightweight and of compact size, convenient to carry and easy to use. Features: Battery power detector is suitable for a variety of batteries. One machine for multi-purpose use, with fast identification. Applicable battery: D-type, C-type, AA (5), AAA (7), N-type (8), 1.5V button battery, 9V battery. Rechargeable battery is not supported. LCD power index display, more visual; green means good (sufficient power)/ yellow means weak (low charge)/ red means poor (power depletion). ABS insulating plastic shell, ergonomic design. Compact size, lightweight and portable to carry. No battery required, power is available at any time, convenient and easy to use. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Black Material: ABS Applicable Battery: D-type, C-type, AA (5), AAA (7), N-type (8), 1.5V Button Battery, 9V Battery Item Size: 92.3 * 61.9 * 14mm / 3.63 * 2.44 * 0.55in Item Weight: 32g / 1.13oz Package Size: 145 * 90 * 20mm / 5.71 * 3.54 * 0.79in Package Weight: 45g / 1.59oz Package List: 1 * Battery Tester