Endoscope Handle: Built-in rechargeable battery, 14500-1300mAH-3.7V-1A Power: 4W (max) Luminous flux: 400lm Battery Charger Input Voltage: AC100 - 240V, 50 / 60Hz Battery Charger Output Voltage: DC3.7V - 450mA Product Size: 9 x 2.5 x 2.5cm Screw diameter: 1.2cm Charger size: 10 x 4 x 3cm Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. color:As shown Material:Metal Voltage: AC100-240V Package Contents: 1 x Portable Handheld LED Cold Light Source (Not including Endoscope) 1 x 14500 Battery (built-in) 1 x Battery charger Only the above package content, other products are not included. Note: Light reflection 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.