Rechargeable lithium battery, constant voltage, continuous strong Charging indicator, battery level is clear at a glance High-quality circuit chips, multiple protections are Pan-compatible electronic equipment, compatible with 1.5V lithium battery. size:126 x 75 x 25mm Material:ABS colour:black Package Contents: 1 x Battery charger Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.