Specification: Product name: camcorder APP : Android, IOS PC client: Supported Product size: 41 x 41 x 40mm Image sensor: 1/3 CMOS high sensitivity sensor Lens : F/NO: 2.8 Lens angle of view: 160 degrees Focus range: above 50cm Effective night vision distance: 5-6 meters Video format: Mp4 Battery capacity: 3500maH Endurance: 10hours APP video resolution 4K,2K,1080,720. SD card video resolution:1080P,720P Microphone: built-in Speaker: built-in Battery: Built-in USB: High Speed 2.0 Storage: External TF card (up to 256G, in order to achieve the best recording effect, please use U3TF card) Product battery: Built-in 3.7V lithium polymer high voltage battery (3500mAh) Power input: DC5V/1A -USB Working temperature: -10-55 Color: Black Material: plastic Package Contents: 1 x Mini Camera 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.