Product specification: Our Electronic Smart GPS Padlock is The world's first Module design structure. Main module, power module, Biometric module...Easy Combination can meet different customers' requirement Industrial grade powerful alloy padlock shell, fully enclosed design, IP65 grade waterproof. Operating temperature -25~55�ºC, adapt to outdoor environment in most area. This Smart lock can be controlled by Bluetooth, remote authorization, QR code and Mechanical key for the lock picking under different application scenarios Multiple unlock methods The Smart lock can be controlled by Bluetooth, remote authorization, QR code and Mechanical key for the lock picking under different application scenarios Bluetooth Unlock APP: APP connect Device with Bluetooth, one-touch unlock QR Code Unlock APP: APP Scan the QR Code to unlock device Remote authorization Unlock APP: APP Authorized server to remote unlock device Reserve emergency access: Mechanical key unlock Real time monitoring (Wi-Fi/GPS&BD/LBS). Whole-course satellite hybrid positioning (Wi-Fi/GPS&BD/LBS) tracking and positioning, intelligently switch positioning priorities according to the environment, support real-time communication, and monitor anytime and anywhere.