LM148 Waterproof Wall Push Button Surface Mounted Wired Release Switch for Automatic Gate Opener, Door Access Control System and Doorbell System, Momentary Contact Switch for Outdoor UseItem Number: LM148color: greyPackage size: 90x90x55mm Weight: 0.8kgSimple operation and easy installation;Strong and durable, quality choicewired connection;Waterproof, windproof and high temperature resistant;Suitable for all kinds of door openers, door control systems, doorbell systems50m control distanceWaterproof for Outdoor UseWeatherproof casing ensures the superior protection against water and dust from all directions.The push button is suitable for outdoor use, and works in excessively heat, cold and humid environment.Clever Design LM148 waterproof wired push button is a release switch designed for outdoor use, and commonly used at locations where the access control is essential. Weatherproof casing ensures the superior protection against water and dust from all directions. With automatic resettable design, the release button restores to its original state after your finger is removed. Simply press the button to start or stop the gate opener!Wide Compatibility Works with all gate openers, and compatible with most third party swing or sliding gate opener whose control board accepts Normally Open Dry Contact signal. The LM148 momentary contact switch is activated by pressing the button on the switch, no need for external power supply. Simple wire connection makes the installation easy and quick. You can add this wall button on the entrance, exit, or both sides of your gate.Multiple Applications This push button is commonly used for household, courtyard, warehouse, school, office building and other commercial sites. Adopting the single relay output signal, the reset switch is perfect to control the operation of gates, doors and exits. It is strongly recommended to use the LM148 single pole switch with automatic swing or sliding gate opener system, providing a handy way of opening and closing the gate with one simple press. Great for your family to access!Reliable Structure Coming with a waterproof enclosure, the push button is suitable for outdoor use. The classic square shaped button has a solid click when you press it. Made of UV-resistant, flame-retardant and anti-deformation high-quality material, the durable housing offers stable protection in bad weather conditions and promises a long-lasting performance.