Check the listing for details. Manaras Keyless042 Wireless Keypad Transmitter for Opera Comm Units Nema 1. Condition: New. Listed at 62.63 USD. Product Details Wireless Entry System Allows keyless access to the Commercial Garage Door. Includes rolling code technology Transmitter with no wiring required Compatible with the Manaras-Opera’s on-board radio receiver RADIORE 101C (included with BOARD 070E/M since January 2014). Back-lit Keypad Enhances visibility of the keypad numbers (even in the dark). Weatherproof Cover The weatherproof covers protects the keypad from wet and windy environmental conditions. Easy Installation Easy installation in just a few short steps. Programming Options For Single Door or Multiple Door (max. 4) applications. Programmable with four to six-digit passcodes to operate. Two (2) operating sequences available 1) Traditional Commercial Sequence (open/close function). 2) Alternating Sequence (SBC) (open/stop/close function). 3) Allows the door to be parked anywhere.