Make sure your lock fit for this cylinder before placing orders. Note: This is Wehere M501, it is M500 upgrade verision, the motor is bigger than M500 and its motor power is stronger than M500. But there is another problem is the battery will run out of energy faster. You can buy rechargeabl battery to solve it. The lock use CR123A 3.7V battery. M501 smart lock is available in TUYA version and TTLock version. Please select the correct version you need. Key Specifications/Special Features: 1,Simple, DIY installation. Install in about 5 minutes ,no need take any hole; 2,Bank level security . Using OTP technology , each unlock use differeny password 3,Locks automatically by your setting. FUNCTION NOTE: 1.The lock can connect with the phone via bluetooth, and control by Wehere APP. If you can't download the APP, please contact with me. 2.The look power by CR123 battery(not include in the package). 3.If you want to control the lock by phone network, you need to buy a tuya Bluetooth gateway. Our lock support TUYA/Smartlife APP. 4.Our lock include 2 keys, if you need more keys, please contact with me, add 3 USD per key. 5.The lock will lock the door automatically by setting lock time on APP. The Gateway is Tuya Bluetooth wireless gateway This is a EU LOCK cylinder, please check your lock before placing orders. Q&A 1. Can the M501 be used only for American locks or Europe? M300 & M510 are suitable for standard US locks (do not change cylinders) M501 & M521 are suitable for standard EU locks (change cylinders) M531 are for EU locks, and some Iseral locks(do not change cylinder). You need to watch our video to see if your lock can be replaced with M501. Please send pictures of your lock and lock cylinders before placing orders if you are not sure. 2. M501 need to replace the entire lock body or part? M501 replace the lock cylinder to upgrade the original lock to a smart lock. 3. How to use M501 accessories? Each of our accessories, W100 (wifi), F100 (Fingerprint), F101 (Keypad) has a separate product link, you can watch how to use the following link, you can also purchase accessories separately. 4. How long can the battery last? About half a year normally(M501) 5. Is it possible to open the lock from any place with internet using wifi function? Yes 6. What battery this needs?8. What battery this needs? The look power by CR123A battery(not include in the package). 7.Can the cylinder close automatically? You need to set in Wehere app to close in certain time(for example, 10 seconds after opening the lock)27
