real-time and multifunctional tracking device: Simply insert a SIM card (example free, orange, bouygues etc...) into this GSM or GPRS Tracker box (model GF07) and hide it for example in a room, car, motorcycle, on animals, children, elderly people, spying etc... Call the number of the inserted SIM card and listen (the sound) remotely or follow in geolocation (in real time). A subscription (for example) with the operator in France: FREE at 2 or month is sufficient (for the SIM card that you will insert into this device)! The box does not work with GPS but with the GSM or GPSRS telephone network of the country where the box is installed. You can be remotely where you want (example in another country), you can listen or follow the positioning remotely. This audio listening and tracking device can be used for use in any vehicle to track their location, such as caravans, boats, motorhomes, trucks, for vans and construction machinery and many more (the possibilities are unlimited). which is particularly useful to prevent theft of your vehicle, animals, child or your belongings. CHARACTERISTICS: Brand: GF07. Warranty: 1 year. Type: Remote audio listening, Geolocation tracker (via GSM or GPRS network) IN REAL TIME. Shell material: Plastic. Color: Black. Frequencies: 850 MHz or 900 MHz or 1800 MHz or 1900 MHz. Input voltage: DC 5 V (300 - 500 mA). Internal battery: YES rechargeable, 3.7 V 400 mAh, Li-ion (battery included). Charging input: AC 110V - 220V (50 or 60 Hz). Standby battery life: 12 Days. Continuous battery life: About 150 to 180 minutes. Size: 3.5 x 2.0 x 1.4 cm.Net weight: 25 grams.Network systems: GSM or GPRS.GPRS: Upload60, TCP or IP.Operating voltage: 3.4 - DC 4.2 V.GSM positioning time: About 25 seconds.Compatible countries: France, China, United Kingdom, Germany, Netherlands, Italy, Brazil, Spain etc...How it works:1. The inserted SIM card must not have an activated PIN code (not even 4 zeros) otherwise it will not work.2. Insert the SIM card into a smartphone: Disable the PIN code, also disable the call forwarding function (these operations just require 2 to 3 minutes from you).3. Insert a SIM card (free, orange, bouygues etc...) into the case.4. Install a Micro-SD (TF) memory card in the slot provided.5. Hide the device where it cannot be seen...6. Call the phone number of the SIM card inserted in the device (if you are in another country) Call the number with the country code (example you are in Germany while traveling and you want to call the box which is hidden in France) you must add the code of France which is 00.33 and the phone number (without the zero).7. Listen to the sound or follow the positioning remotely and in real time...Turn on: After charging the device, open the back cover, insert the SIM card (standard size or use a SIM card adapter) into the slot, then install a Micro-SD memory card (TF Transflash), then it is automatically turned on. Close the back cover and then you can start using it.Sound control (remote audio listening): You can call the phone number of the device with a mobile phone or a landline phone). As soon as this device detects a call, within 3 seconds it picks up and activates the integrated microphone and you can therefore listen to the sounds remotely (The sound level must be above 45 db around the device). Positioning:Send the message with the code 777 (with your mobile phone) to the number in the device, then the box will send you an SMS in response to your request giving you the information on the addresses or longitude and latitude or website contained [therefore the exact positioning of the box] (you will receive the message within 1 to 2 minutes and it will also depend on the network). Example: Send the message 777 to the phone number 0033601020304 (in this example the area code for France is 0033 and the rest is the phone number inserted in the SIM card without the 0). Delivery includes: 1 x Mini tracker - geolocator - remote listening. 1 x User manual. 1 x USB cable. To recharge: You must use a standard mains charger with a USB output of 500 mA or 5V. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.