Easy Settings Human friendly: Function switches designed outside the device, easy to set the sound effects, working mode and delay time.Sound effects feedback: Built-in buzzer provides feedback on operation and can be turned off as needed.Expansion port: The expansion port support to add a access control keypad. Please search ASIN B00UX03JCS, B00X56ALEG or B00UX03A7W to get the keypad. Features: The main feature of this kit is that it allows you to open the door simply by pressing the wireless RF remote instead of moving to the door physically when someone visits. The remote communicates with the receiver, which can program up to 40 remotes, and it has a range of 160 feet.The function of the receiver is that when the power is on, the lock of your kit is locked and when you press the remote the lock will unlock temporarily to open the door.Requires 2.4 GHz Wi-Fi connection. Quick & easy installation without the need of a professional.Tuya Smart is a smart home center that can let you control and manage your favorite smart devices of different brands in a single APP.Easy Use: Transmits data to a cloud platform through the Wi-Fi Router, which enables you to remotely control the connected appliances via free Tuya Smart App. You can download the iOS version in App Store and the Android version in Google Play.Grouping Function: It allows users to assign all added devices to different groups so that they can easily check and manage the devices. To use this feature, simply click the drop-down menu on the top of device list.Smart Scene: The smart scene allows users to use one device to automatically trigger ON/OFF one or more devices.Share Control: Device owners can share control of their own devices to other Tuya Smart users. Invite your family members to control your smart home together!Scheduled Timing: User can reset repeat or single timing schedules to turn on/off devices according to your needs. Imaging that the door is off in the evening and on in the morning every day automatically.Loop Timing: A loop timer allows users to turn on/off the door at preset intervals.Tuya Smart provides a multi-language version, which supports Chinese, English, Danish, French, Russian, Italian, Polish, Deutsch, Spanish, Japanese etc.Tuya Smart offers cloud service at a global scale, ranging from Asia, North America, South America to Europe, etc. WI-FI Remote Control: Wi-Fi Standard: 2.4GHz (Can't support 5GHz)Operating Voltage: 12VDCRF Frequency: 433MHzOutput Current: 1ABuilt-in Buzzer: YesWorking Mode: Momentary/ToggleDC Encoding Type: Learning codeAdjustable Time Delay: 0/5/10secOperating Distance: 164 feet without blockTransmitter Support: Max. 40 Tuya SMART APP Smartphone remote control from anywhere at anytimePhone APP remotely control the device and manage users from anywhereView door opening records Electric Magnetic Lock: Lock Body Dimensions (LxWxH): 10-7/16"x2-53/64"x1-17/32" (265x71.8x38.8mm)Armature Plate Dimensions (LxWxH): 7-9/32"x2-23/64"x33/64" (185x60x13mm)Holding Force: 1200lbs (500kg)Voltage: 12VDC/500mALED: Red indicates the door is unlock, Green indicates the door is lockSuitable for: Wooden door, glass door, metal door, fireproof doorOperating Temperature: 14℉-131℉ (-10℃~55℃)Finishes for Shell: Anodized aluminumFinishes for Magnetic: ZincFinishes for Armature: Zinc Push to Exit Button: Dimensions (LxWxH): 3-35/64"x 1-3/8"x1-3/64" (90x35x26.5mm)Standard Structure: Stainless steel panel, steel buttonMechanical Life: 500000 testsCurrent Rating: 3A@36VDC Max.Output Contact: NO/COMOperating Temperature: 14℉~131℉ (-10℃~55℃)Operating Humidity: 0-95% (relative humidity)Panel Material: Stainless steel panel, wire drawing finishedSuitable for hollow door Power Adapter: Type: 12V 1A Power Supply Wall ChargerInput: AC100V-240V 50/60HzMax Output: 12VDC/1A (1000mA)AC Cord Length: 4 feet (1.2 meters)Wire Type: 22AWGOutput Transformer Adapter : 5.5x2.1mm (Inside diameter 2.1mm, Outside diameter 5.5mm)Net Weight: 2.3oz (66g) Package: 1 x Electromagnetic lock1 x Remote receiver2 x Remote transmitter1 x Exit button1 x Power adapter1 x English user manualTips: Please search ASIN B07DVY4BB2 to get more transmitters. Wiring Diagram Operating Setting: Clear Code: Tap and hold RF icon for 8 seconds until the indicator changes from green to red, indicating the clear code is successful.Pairing Transmitter and Receiver: Tap RF icon followed by press the button on the remote transmitter within 20 seconds.