Portable size. The portable and powerful wireless module provides a stable WiFi connection. Capturing images (JPG) and recording video (MP4) and bundling applications. Fine Definition. Metal base supports fixed and adjusted at 360 degree observation. 8 LED Light Adjustable dimmer button control box according to your needs. Suitable for daily cleaning and nursing, patients with ear disease can also observe the ear canal. Description Color: as shown in the figure Material: ABS, metal Video maximum pixels: 30W Focusing mode and focusing range: manual adjustment, 0~40mm Imaging distance: 3.0Mm to infinity Sensor size: 1/4" SNR: 37db Sensitivity: 4300mV/lux-sec Video recording format: AVI Video resolution: 640x480, 1280*720 Photo format: JPG Photo size: 640x480, 1280*720, Working range: 0-10m (open scene, occluded scene will affect the working range) Working hours: no less than 90 minutes (full power status, battery life also affects working hours) Power supply: 800mah built-in lithium battery Charging requirements: DC-5v ~1A Working current: ~260mA Product color: black (subject to the actual product) WiFi working environment: Android4.0 and above, ios8.0 and above WiFi working environment supporting equipment requirements: support 2.4ghz (8201.11b/g /n) wireless data transmission equipment Working temperature: 0 ℃ and 40 ℃ Temperature: - 20 ℃ to 60 ℃ Working humidity: 30-60%RH Storage humidity: 10-80%RH Interface and signal transmission mode: Micor/usb2.0 Quality certification: CE/RCC/RoHS Packing list: 1 * Electron microscope 1 * Bracket 1 * Chinese and English manual 1 * Calibration ruler 1 * USB charging cable