Product features: [Advanced GPS positioning]: Use multiple positioning modes, such as GPS + AGPS + LBS + WIFI. In addition, the quad-band global GSM + GPRS system can ensure that you get accurate location information and fast positioning speed. [Multifunctional]: It supports geofence tracker-, historical location evaluation, SOS, device search, alarm clock, do not disturb mode and pedometer. Help keep your family safe. [Exquisite and exquisite design]: It weighs only 28 grams and is easy to carry. High-quality materials make it strong and durable. With the lanyard, you can tie it around your family’s neck without worrying about losing it. [Remote operation]: Support remote operation, equipped with a high-sensitivity microphone, you can listen to the sound around the tracker- in real time. In addition, you can turn off or restart the tracker- via the remote control. [Security assurance and IP67 protection]: Use the SIM card to activate the product. The alarm function helps ensure its safety. It also has an IP67 protection level to prevent dust and short-term soaking. Specification: Support positioning mode: GPS + AGPS + LBS + WIFI Quad-band system: 850/900/1800/1900 MHz Suitable operating system: Android&iOS Protection level: IP67 Built-in battery type: 3.7V 500mAh lithium battery 802035 Material: ABS Color: blue, red (optional) Item size: approximately. 53 * 27 * 22mm / 2.24 * 1.06 * 0.86in Product weight: 28g / 0.98oz Packing size: 12 * 9 * 3cm / 4.72 * 3.54 * 1.18in Package weight: 104g / 3.66oz Packing list: 1 * GPS tracker- 1 *lanyard 1 *Charging cable 1 *Chinese and English manual How to use: please see the manual Product material: ABS Package list: 1 * GPS tracker- 1 *lanyard 1 *Charging cable 1 *Chinese and English manual