921 Keypad, Exit Button, Wireless with Keyswitch

Specify brand: M = Multi-Code (10 dip switches, 300 MHz) N = Nice (Rolling Code, 433 MHz) H = Heddolf or Allstar (9 dip switches, 318 MHz) L=Linear (8 dip switches, 310 MHz) LM= Liftmaster (Rolling Code, 315 MHz) Suitable for indoor and outdoor applications UV-resistant Lexan 403R Housing/Faceplate Weather-resistant push button and keyswitch Wall/gooseneck mountable Zinc coated hardware Ship weight 3 lbs. Proudly made in the U.S.A. Dimensions: 7.5 in (H) x 4.75 in. (W) x 4.5 in. (D) Dimensions: 190.50 mm (H) x 120.65 mm (W) x 114.30 mm (D) Operating Temperatures: -40°C to 85°C (-40°F to 185°F) Storage Temperatures: -55°C to 125°C (-67°F to 257°F)