LIMTECH 32GB SD Card + Version 2014 R310 Car DVR 2.7" TFT 270&iexcl;&atilde;Rotating Dual Camera Lens HD Car DVR Vehicle Blackbox DVR with G-sensor & GPS Module & SD Slot This is LIMTECH Brand ,Made by Limtech Inc ,All unauthorized sellers are selling poor quality fake. We'll report to amazon. Dual Lens,Front lens: 140 wide-degree,Back lens: 120 wide-degree GPS Module,Gravity Sensor Adjust the position of the lens: its front/back lens can be rotated for 270 degree to the front or back