Feature: Simple group chat, support for multi-mobile phone chat, small flashlight for viewing in the dark, precise positioning, real-time visualization, accurate recording of every corner of the child, fully meeting the needs of life positioning and emergency situations. The electronic fence protects children's safety at all times and defines the scope of children's activities. When children browse the defined area, the parents on the mobile phone will quickly receive a reminder. Prevent lo, avoid entering dangerous areas, and avoid getting lost. High-performance battery, longer standby time. Product name: Children's smart watch Model: S30; Chip: PDA8955; GSM frequency: for 850/900/1800/1900mhz; Battery capacity: 400mah; Standby time: 6 days; Screen resolution: 128 x 128; Screen size: 1.44; Radiation: lower than mobile phones, international standards, no effect on the human body; Compatible platform: Compatible for Android 3.0 or above, Compatible for IOS 6.0 or above; Main functions: camera, danger zone reminder, daily calculation, remote shutdown, remote monitoring, alarm clock, touch to add friends, etc.; How to use: 1. Scan the QR code on the box to view the QR code on the button on the box. 2. Download the 'settracker' app and register an account. 3. Scan or enter device ID. Each device has only one unique ID and can only be used once, which is the entry for connecting the watch and phone; Supports multiple languages: English (default), Spanish, Portuguese, German, Turkish, Vietnamese, Russian, French, Thai, Indonesian, Polish, Hebrew, Romanian; Packing list: 1 x Children's smart watch 1 x Charging cable 1 x Instruction 1 x Packing box Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the product. Thank you.