Features:
1.Protection of the child/elderly/disabled/pet.etc.
2.Anti-theft of the vehicle/heavy equipment.etc.
3.Provide peach-of-mind for business.
4.Personnel management.

Specifications:
DIM: 8.9 * 5.0 * 1.6cm
Weight: 65g
Network: GSM/GPRS
Band: 850/900/1800/1900Mhz
GPS sensitivity: -159dBm
GPS Accurancy: 5m
GPS Start time: Cold status: 45s/Warm status: 35s/Hot status: 1s
Car power supply: 12V-24V
Back up battery: Chargeable 3.7V 700mAh Li-ion battery
Storage temp: -40℃ to +85℃
Operation temp: -20℃ to +65℃
Humidity: 5%-95% non-condensing
Package size: 15 * 10 * 7cm / 5.9 * 3.9 * 2.8in
Package weight: 242g / 8.5oz

Package list:
1 * GPS303A Tracking Device
1 * Charger
1 * CD
1 * Screwdriver
1 * English user manual