ParametersFocal Length:40mm/25mm/16mmBest Recording Distance: 10m~30m/20m~50m/30~70 metersVideo Resolution:1080P@60fps/1080P@50fps/1440P@30fps/ 720P@120fpsVideo File Format: MP4Communication Interface: Micro USBMicroSD Card Supported: 128GB maxBattery Capacity: 850mAhUSB Power Input: DC 5~17VWorking current: 450mA@5VNet Weight: 94g (with battery)/80g (without battery)NOTICE: If the IOS device cannot connect to WIFI, please connect to WIFI in the device system first, and then enter runcamAPP to connect to the camera1. Please comfirm your size before purchase. Item Measured by hand , it could be 2-3cm different,The following information is for reference only. Please contact us to get the detailed information if you have some doubts.2. Attention: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures, but not the same performance on different bodies as on the model. Thank you!