inputs.text: disappointed returned - read reviews camera decide purchase use car price per functionality looked good unit packaged well enough instructions pamphlet ok could much better first thing unit came russian language setting trying reading instructions deciphering able change language english no way could figured save language settings result everytime camera powered russian language menu settings returned frustrating nuisance would lived not major problem battery life camera approximately 30 minutes least camera got plug usb 12vdc cable vehicle camera not work goes data transfer mode mind renders camera useless vehicle camera cannot powered vehicle battery life 30 minutes camera quite useless optics image quality camera good though pleased video quality however focusing image processing bit slow 1080p need move camera slowely image focused not major issue though suspect road driving conditions may not problem note camera uses micro sd cards not standard sized sd cards returned camera amazon