Features
* Up to 7km range
* Rechargeable collar with 4 hours fast charge
* User-expandable battery pack for double of battery lifebr /> * Rugged but slim design suit smaller dogs from 9kg in weight
* Waterproof (1 ATM)
* Multi colour LED to identify different dogs - colours include yellow, magenta, cyan, white, green, red or blue
* On/Off button
* Top mount GPS and antenna for better reception
* GPS and Galileo satellite
* Automatic firmware update via Wifi network, no PC needed
* Dynamic tracking based on dog’s movement
* 1 year warranty

Download Garmin Alpha TT25 Kit Manual From here.