Zero Power Consumption No battery needed! Our passive NFC lock obtain energy thru NFC compatible smartphones. High Compatibility Compatible with more than 90% of mainstream smartphones. Solid Construction Water resistant IP65-rated. Tested temperature range -20 to 65 degree Celsius. Batteryless NFC Smart Lock Safeguard locks operate without a battery. To unlock, place your NFC compatible phone next to the lock. Compatible with NFC Android phones, iPhone 8 and later, iOS 13 and up Remotely share unlock permission with your friends Unlock history log Ideal for locker, gym, storage unit, garden gates, farm gates, truck, tool boxes, fishing tackle boxes, warehouses etc. Looking for a demo? Contact Us