Audio input:4CH aviation connector input Audio output:1-way aviation connector output Recording resolution:supports 1080P/720P/D1/HD1/CIF, supports up to 4 channels of 1080P Battery life:1-2 days Touch screen:None Screen ratio:None Viewing angle:105°-140° Camera resolution:1280x960 Video encoding:H.264 Features:SD/MMC card, anti-vibration, loop recording Maximum external memory:256G Number of lenses:4 Imaging sensor:1/3inch Sony Ccd Pixels:130 megapixels OSD language:Chinese (Simplified), Chinese (Traditional), English GPS Logger:Internal Interface:Micro-SD/TF Assembly method:portable recorder Frames per second:10 Product type:driving recorder Input voltage:DC: +8V - +36V Power consumption: normal working Less than 14W, standby Less than 0.5W Temperature:-30℃ - +70℃ Colour:Black Material:Plastic Size:135x95x35MM Package Contents: 1 * Mobile hard drive 1 * Remote control 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.