1,EASY TO USE: Pressing a button is working and turning on. Release your finger and press the stop and close buttons at the same time. 2,SWITCH: Press one button at a time to indicate work and open. Press the same button again to stop and close. 3,EASY TO USE AND FAST: It can be used in car remote control, lighting control, smart home remote control and other fields. 4,PERFORMANCE: The working mode is adjustable by momentary switch lock. The coding type adds a transmitter to the learning point. 5,ABS MATERIAL: Using ABS material, durable and long service life. Small and convenient, easy to carry. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin