Features： Love Reward:Select the number of the hearts on the app and click the determine ,then the information will be sent to the watch, you can check the related data through the APP History Route:Path query in the your children's historical activities by the choose the periond If you set the telephone number in the APP's "SMS alerts setting", you will received message when occur the below 3 conditions: Listen to kids:If you miss your baby, you can listen to them without disturbing them Remote Shutting Down:You can remote controlled the smart watch power off via APP Quick learning:The kids can play the sample Mathematical games by the watch Flashlight:The will a LED flashlight for you when you in the darkness Camera:You can remote control the camera by app to see the kids locationSIM Recommend:We recommend SPEEDTALK SIM card (belonging to T-mobile network), USA, or Cingular.NOT SUPPORTED: Sprint, Verizon.Smartwatch SIM card needs to be enabled Tracker function and caller ID function must be compatible with 2G of data traffic, watches currently only use 2G of data traffic. （Some customers report that their card is invalid, please contact the network operator to activate your 2G data.）SmartWatch as an unlocked GSM mobile phone, support micro SIM card, we only provide Smartwatch only, NOT included SIM card, please purchase additional GSM network SIM card.Specification: Frequency: GSM 850/900/1800/1900MHz Body Memory: 32MB Applicable System: For Apple IOS ，Android Screen Size: 1.44" Waterproof Level: IP67 Waterproof Wireless Distance: unlimited distance Mode of Operation: Touch Screen + Button Tracker Model: LBS base station tracker Gsm Positioning Accuracy: 50-200mm Speed Accuracy: 0.1m/s Battery Capacitry: 3.7V 400mA SIM Card Type: Micro SIM Card Weight: 0.122kgPackage : 1 x Kids Watch with box (Without Sim Card) 1 x User Manual 1 x Charge Cable