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 GLONASS satellite * Automatic firmware update via Wifi network, no PC needed * Dynamic tracking based on dog’s movement
