inputs.text: lukas lk7900 ace dash cam - not familiar dash cams reading many reviews finding huge difference various dash cams not screen user immediately view recorded others seehem bulky like huge black thing hanging windshield learned \\computer stuff\\ read directions several times grasp pressing clicking otherwise great confusing messing everything upas mentioned dash cams not come view screen first thing need download viewer lukas website enables change settings camera p c mac book pro downloaded viewer mac book done without first buying camera need open viewer ever computer use insert sdxc mehemory card change settings save thehem changes made viewer saved \\config\\ file mehemory card cannot see results changes go run camera finished reinsert sdxc card back computer viewing buy small 12 volt view screen car connect camera work itmy dash cam came 16 gb sdxc mehemory card increase card size 128 gb must use either dash cam lukas viewer format card make changes telling camera working different sized mehemory carda great feature camera tolerance high tehemperature low tehemperature dash cam southwestern states get pretty hotanother great feature low lux camera works lower levels lightthe camera gps acts like trigger tracks moving stopped likewise changes recording modes setting allows change long parked camera changes moving parked changes camera sensitivity sudden motion mode case someone hits carthe rear face digital display camera shows speed driving road discovered speedometer couple miles hour faster actually goingit changes recording modes setting allows change long parked camera changes moving parked changes camera sensitivity sudden motion mode case someone hits car rear face digital display camera shows speed driving road discovered speedometer couple miles hour faster actually going