Feature: 1. Two-color LED display, blue standby, green trigger, clear display and high recognition. 2. It is made of acrylic panel and overall organic glass, which is beautiful and clean, and dustproof. 3. The components are safe, normally open and normally closed three‑wire, using internal five‑pin plug strip, the wiring is safer, and the use is more assured. 4. The applicable temperature is -20℃-55℃, the applicable humidity is 0-95%, and the performance is stable. 5. Comes with a pack of mounting screws in this package, which can provide much convenience for your installing. Specification: Item Type: Door Exit Switch Material: ABS+Acrylic Panel+Organic GlassProduct Size: Approx. 86x86x21mm/3.4x3.4x0.8in (L x W x H) Power Supply Voltage: 12V DC or 24V DC Contact Output: NO/NC/COM Maximum Current: 3A/125-250VAC Durability Test: 100,000 times Applicable Door Type: Hollow door frame (surface installation) Applicable Temperature: -20-55℃ Applicable Humidity: 0-95% LED Indication: Blue (standby), green (trigger) Product Instructions: 1. The access control touch switch adopts the finger touch method to trigger the action of the relay and output a passive dry node signal that is normally open and normally closed. 2. The trigger is an automatic reset. After the finger is removed, the relay will return to its original state. 3. The product has dual color indications, the blue LED display when in standby, and the green LED display when triggered.. Package List: 1 x Door Exit Switch1 x Pack of Mounting Screws