The Ltl Acorn W Series is a new developed model based on Ltl-5310 series trail camera. With its highly sensitive Passive Infra-Red sensor, wireless trail camera detects the sudden change of ambient temperature caused by moving game in a region of interest ,triggers to take pictures/videos, W series designed with lens angle of 100° instead of 52°, LED flash 44, and video resolution 720P. www.szrisest.com