Optical parameters Projection technology: DLP display Display chip: TI 0.3em" Contrast ratio 600:1 Uniform illumination: 90% Color gamut: 90% NTSC Resolution (dpi): 1920*1080 Light source type: Light source 3 color R/G/B LED Lamp life: >30000 hours Android 7.1 operating system Palm size, battery life is 3 hours Wireless connection with mobile phone/PC/tablet Automatic keystone correction Projection setting Zoom method: manual focus Throw ratio: 1.19:1 Throw distance: 0.5M-3M Lens shift: 100% Throw size: 20 inches at 300 inches Screen ratio: 16:10 (original) / 4:3, 16:9 (compatible) Keystone correction: four-way keystone correction (2D only) + automatic vertical keystone correction HDMI compatibility: 576i, 576p, 480i, 480p, 720i, 720p, 1080i, 1080 p, 1920x2160, 4K Video Compatibility: SDTV (480i, 576i), EDTV (480p, 576p), HDTV (720p, 1080i/p) 3D Format Compatibility: 720P / 44.954KHz / 59.9Hz-FP (packaging format of frame) 720P/45KHz/60Hz-FP (frame wrapping format) 720P/37.5KHz/50Hz-FP (frame wrapping format) 1080P/26.972KHz/23.9Hz-FP (frame wrapping format) frame) 1080P/27KHz/24Hz-FP (frame packing format) 1080i/33.715KHz/59.9Hz-SBSH (left and right side-by-side format) 1080i/33.750KHz/60Hz-SBSH (side-by-side format left and right side) 1080i/28.125KHz/50Hz-SBSH (left and right side-by-side format) 1080P/26.972KHz/23.9Hz-TNB (high and low format) 1080P/27KHz/24Hz-TNB (high and low) 720P / 44.954KHz / 59.9Hz-TNB (high and low format) 720P / 45KHz / 60Hz-TNB (high and low format) 720P / 37.5KHz / 50Hz-TNB (high and low format) Video format compatibility streaming: MPEG-1/2 1080P30 fps MPEG-4 1080P30fps DivX 3/4/5/6 1080P30pfs Real-time video 8/9/10 1080P30pfs Google VP8 1080P30pfs VC-1 1080P30fps AVS+ 1080P30fps H.265 4KP60pfs Streaming audio format compatibility: MPEG-1/2/3.5 Audio layer1/2/3 FLAC audio compression level 0~8 JPG/BMP/PNG/GIF streaming media image format supports up to 8192X8192 (8 bits per channel) or 4096x8192 (16 bits per channel) pixel images System Requirements SOC: Rockchip RK3128 Processor: Cortex-A7 quad-core GPU: Mali-400MP2 OS: Android 7.1 System memory: 2GB Body memory: 16GB WLAN: 802.11 a/b/g/n (2.4G+5G dual frequency) Bluetooth: BT4.0 Input port USB2.0 MPEG-1/2 1080P30fps Production 3.5mm headphone audio output jack Other parameters Installation method: front projection, rear projection, rear projection lifting, front projection lifting Product size: 77 * 75 * 60mm Weight (kg): 0.25 kg Electrical specifications Power 5V 3A Built-in battery 3.7V 37 00mah Power Consumption (W)