Merlin Garage Door Opener 35 x 8 x 120mm White & Grey SKU: 284323 MODEL: C943 Error. try again later You've successfully joined the club $ 88 each × Mitre 10 SAvailable at selected stores. Check your local store for details Variants The Merlin C943 visor remote works with all Merlin Security+ frequency garage door openers. This remote is great for leaving inside the car, or small enough to have as an additional remote in a bag. Features and benefits Controls up to three Merlin Security+ garage door openers. Visor clip included. Battery included. Frequency: 433.92Mhz AM. Encryption: Security+.