Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Feature: 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 stop the car while being stolen， help to retrieve car Strong signal， reliable and stable performanceUsing method:Warning: First of all， when the user buys a new SIM card， the GPRS function should be opened， otherwise， the function for sending MMS by taking photos would be invalid. Preparation: a SIM card and mini memory card Starting: insert SIM card after opening the card cover according to the indicating direction， then insert the mini memory card， the product will automatically switch on the red light with shining four times， then enter standby state in 30 seconds. Binding the master number: Use the mobile phone to send the text message 000 to the alarm locator， the machine will reply a text message; Set; Binding + the master number Recording alone: Use the mobile phone to send the text message 555 to the alarm locator， the machine will reply a text message; [Snd; recording is starting]. Callback by voice: Use the mobile phone to send the text message 666 to the alarm locator， the machine will reply a text message; [DT; voice monitoring and warning callback have been set successfully]. When the sound around the alarm locator is more than 40 db， the alarm locator will automatically call the set phone number. GPRS positioning query: Use the mobile phone to send the text message 777 to the alarm locator， the machine will reply a link of location and Google map. Open this link to appear the location map and text address instructions to get more accurate location. Callback by voice: Use the mobile phone to send the text message 888 to the alarm locator， the machine will reply a text message; [the main machines all features， such as On/Off， battery， binding number， signal strength， frequency startup， GPRS TF card capacity， etc]. Restart the main machine: Use the mobile phone to send the text message 999 to the alarm locator， then wait for 1 min to restore normally. Delete the content of the memory card: Use the mobile phone to send the text message 445 to the alarm locator， the machine will reply a text message; [TF， deletion is successful， it has capacity] Close function: Use the mobile phone to send the text message 444 to the alarm locator， the machine will reply a text message; [Reset; all tasks are cancelled]. Voice query around the product: directly dial the card number in the alarm locator， then hear the sound around the alarm locator after a few seconds (the alarm locator doesnt make any sound and light in the process of query) 　Specification:　1. Battery: 3.7V 400mAh Li-ion Battery2. Stand-by: 12 days3. Working Time: 4-6 days4. Expansion Card: Micro SD Card (not included)5. Calling Time: 150-180 min6. Network Type: GSM/GPRS7. Storage Temperature: -40 - 858. Work Temperature: -20 - 559. Humidity Range: 5%-95%10. Frequency Band: GSM 850/900/1800/1900MHz11. Color: White/Black(send at radom if no requirement)12. Dimensions: (3.15 x 0.98 x 0.98)" / (8 x 2.5 x 2.5)cm (L x W x H)13. Weight: 2.29oz / 65g　Packing Content :1 x Car GPS Locator1 x Manual