The Hikmicro LYNX 2.0 series are ultra-lightweight and compact pocket-sized temperature sensors. The rechargeable and replaceable 18650 battery allows you to use the device without interruption. With the included spare battery, the HIKMICRO Lynx is a great value for money temperature tracker for hunting, bird watching, searching for wounded and crashed animals and people. The LYNX LH25 2.0 features manual image focus, a target detection range of approx. 1200 m and a detection range of approx. 350 m (deer-sized target). Battery life with spare battery up to 13 hours.