Details High Quality and Safe Materials?-- Safety materials are the best choice for children's parents; food-grade strap materials; more suitable for children's sensitive skin; fully inhibit odor. REMOTE Camera Features & Two-way Call?-- Our children's smart watch with photo function can record your child's good moments. Your child will take a photo of his friend outside and share his story with you. Two-way high-definition call; high-definition and timely voice call; let the family line constantly; communicate with children anytime; anywhere. Smart Watch Phone & Electric Game Toy ?--Multi-function smartphone watch. In addition to alarm clocks; children's smart watches include - 7 fun puzzle games; audio players; calendars; calculators; recordings; low-power alarms; etc. This is a great gift for every child to enjoy and learn. SOS function?-- The child could ASK for HELP when they are in danger. The standby interface will press the power button twice to have an SOS call; and the first two numbers (ie; DAD and MOM) in the phone book will be called. If it is not connected; it will be called twice in succession. Long Time Standby and Daily Waterproof 480mAh lithium polymer battery; 120 hours standby time; 7 hours talk time on 2G network. Even more waterproof grades up to IPX65 (waterproof 5M) effectively prevent water and dust.* NOTE - This children's mobile watch is different from other watches with positioning capabilities. It is not controlled by any APP and cannot be connected to the Internet; therefore it is impossible to be hacked; which will ensure the security of your personal data.** For the full function of calling requires a SIM card for tracking and non-calling functions can be used by connecting to a parent's phone with Bluetooth connection.