Features: 4G Network, video call, voice call,remote monitor, access internet by WI-FI, LTE GPRS Data. Connect more fast and stable. GPS+ WIFI+LBS positioning, locate more accurate.Achieving all-day real-time location tracking, kids can one-click SOS to get a call if they in danger. 1.4 inch high definition color touch screen, full fit IPS display, explosion-proof crack, drop-resistant scratch-resistant, waterproof, dustproof, 240*240 resolution. Supports voice video chat and video call, 30W pixel. IP67 waterproof design(Please do not use it in hot/salt water,hot shower,swimming or diving.) Support health monitor as pedometer. Let children have a safety and funny childhood. Food-grade silicone strap, anti-static, dust-proof, sweat-proof.