1、Electromagnetic Lock Kit: The lock has a holding force of 180KG/350lbs. It is an NC type lock that locks the door when powered on and unlocks when powered off, making it suitable for wood, metal, and glass doors 2、Secure Design: This electromagnetic lock features built in reverse current protective device, ensuring higher security and performance. Simply install it under the door frame to guarantee safe opening and closing of the door 3、WiFi APP Control: Support for Tuya APP, you can add users, open and close the door via the mobile APP anytime, anywhere. You can also click on the reminder information to view logs 4、Receiver Capacity: One receiver can connect up to 40 remote controls, with a receiving range of 30 meters. It is specifically designed for access control applications and cannot be applied in other fields 5、Modes and Delay Time: The locking delay time can be set to 0/5/10 seconds, with a default of 5 seconds. It supports modes including instantaneous mode, latch mode, and switching mode 6、Accessories: The remote control receiver comes with a buzzer, so you can hear a sound when the door is unlocked. It has built in diode, real time protective relay, and door lock, as well as a built in DC power cord for easy use 7、User Friendly: You can open the door using the APP or remote control transmitter, no need to walk to the door when someone visits. When you are not at home, you can remotely unlock the door for your friends through the mobile APP Item Type: WiFi Access Control Kit Remote Controller: 1 x Battery (not included) Product Size: Approx. 75 x 45 x 25mm / 3 x 1.8 x 1in Exit Button Size: Approx.90x35x26mm / 3.54x1.38x1.02in Holding Force: 180KG/350lbs Frequency: 433.29MHZ Material: ABS Plastic, Stainless Steel, Aluminum Alloy Transmitter Support: Up to 40 Working Mode: Instantaneous Mode, Latch Mode, Switching Mode Working Distance: 160 feet Delay Time: 0/5/10s Weight: Approx. 1500g / 53oz 1 x Receiver with Buzzer 2 x Remote Controllers 2 x Remote Controller Accessories 1 x Supply Adapter 3 x User Manual 3 x Accessories 4 x Screws 1 x Lock Body 1 x Adsorption Plate 8 x Small Screws 1 x Large Screw 3 x Accessories 1 x Hex Wrench 2 x Washers 1 x Sticker