Features: Bind?with?cellphone，?it?could?give?an?alarm?if?the?car?is?stolen Replay?function，?let?you?know?your?car?track?within?a?month Remote?monitoring，?monitor?the?interior?of?car?anywhere?anytime Could?remotely?Locate?the?car?while?being?stolen，?help?to?retrieve?car Strong?signal，?reliable?and?stable?performance Quick-charge?USB?port Support?many?brand?mobile?phones，?PSP，?MP3/MP4，?Pocket?PC?PDA?and?other?kinds?of?products?to?supply?power?and?charging Specifications: 1.?Battery:?3.7V?400mAh?Li-ion?Battery 2.?Stand-by:?12?days 3.?Working?Time:?4-6?days 4.?Expansion?Card:?mini?TF?Card?(not?included) 5.?Calling?Time:?150-180?min 6.?Network?Type:?GSM/GPRS 7.?Storage?Temperature:?-40~85°c 8.?Work?Temperature:?-20?~?55°c 9.?Humidity?Range:?5%-95%?non-condensing 10.?Frequency?Band:?GSM?850/900/1800/1900MHz 11.?Color:?White/Black 12.?Dimensions(L?x?W?x?H):?3.15?x?0.98?x?0.98"?(8?x?2.5?x?2.5)cm 13.?Weight:?2.29oz?/?65g Package?include: 1?x?Car?GPS?Locator