Feature: 1. High Security Protection: The electronic deadbolt door lock provides high level security for your door with an invisible lock, making it near impossible for intruders to pick or break. 2. Convenient Remote Control: The lock can be easily and swiftly unlocked using the two included remote controllers, providing a convenient option to traditional keys. 3. Easy Battery Replacement: The system runs on two AA batteries which can be easily replaced without the need for any tools, ensuring the lock won't stop operating unexpectedly. 4. Simple Installation: The setup of this lock is quick and straightforward, and it can be installed without requiring professional assistance, saving you time and cost. 5. Versatile Use: Suitable for both residential and commercial buildings. Whether it's your home, office, warehouse, or basement, this lock promises a great security solution. Specification: Item Type: Electronic Deadbolt Door Lock Material: Stainless steel Unlock Method: Swipe card, key Lock Power Supply Mode: 1.5V AA battery x 2 (not included) Remote Control: 27A 12V 30mAH dry battery (1 battery each remote control, built in). Package List: 1 x Electric Control Lock 1 x Lock Ear 1 x Lock Cylinder 3 x Key 10 x ID Keychain 1 x Lock Card 1 x ID Card Reader 2 x Screw 1 x Square Plate 6 x Screw 2 x Remote Control