Wireless Garage Door Lock with Waterproof Door Opener, Smart Control, and 433MHz Keypad Two passwords, LED and buzzer indication Battery-powered, zinc alloy housing, waterproof design Two passwords Two remote control output channels Battery power supply: 2 x CR2032 batteries Remote control operating frequency and modulation method: 433.92MHz (ASK) Remote control encoding type: Rolling code IP rating: IP40 Please note that automatic doors and gate systems must be installed by qualified technicians in full compliance with legal regulations. Before beginning the installation process, please check that the values given in the "Technical Specifications" section are compatible with your application. This product is designed to control door openers, gate openers, and similar devices. Color: As Shown Material: Zinc Alloy Package Contents: 1 * Smart locks for doors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.