1: Five-position GPS+Beidou+base station+LBS+AGPS, positioning is more accurate;2: The general functions of the positioning watch are: real-time accurate positioning, SIM cartoons, family phone anti-harassment, voice intercom, electronic fence, exercise step...3: With QQ and WeChat, you can surf the Internet freely; With 2 million cameras, support TF card expansion, guardians take pictures and monitor the surrounding environment of the watch;4: Open waterproof design, babies no longer have to worry about water ingress;5: 1.54 inch tempered glass capacitive screen, fully fit IPS display, explosion-proof, anti-drop, anti-scratch, waterproof, dustproof, 240*240 resolution;6: The metal body strap adopts CNC high-precision processing technology, and the surface shell adopts imported material baking paint process, which is wear-resistant, corrosion-resistant and scratch-resistant;7: Food-grade silicone strap, as safe as baby pacifiers, non-toxic, anti-static, dust-proof and sweat-proof;8: MTK2503C professional chip, fast speed, sensitive operation, low power consumption, longer standby time;