TK-01: the smallest GPS localizer/tracker in the world Afraid of your car/asset will be theft? Afraid of your pet will be lost? Afraid of your employee take advantages? Want to know the location of the car/machines you rented out? Now the TK-01 come to help you Amazing compact size 1.7*2.5*0.65inch Based on GSM/GPRS network and GPS system, DIY tracking by SMS message and PC. no monthly service charges to be paid. All in one design, embedded GPS antenna and GSM antenna, easy to hide and carry on Real-time tracking, report the information of the position coordinate, time, speed and the battery information. Geo-fense function let you know immediately if your car/pet moves out the area you preset. With two rechargeable and removable Li-ion batterys. Monitor function let you listen-in the target. Report position at a preset time interval. Overspeed limit function let you know immediately if the target moves over the speed you preset For more information please feel free to contact with Benny at Shenzhen Xexun Technology CO., LTD. Tel:0086-755-83128538 Fax:0086-755-83126738 Website: