Chamberlain Garage Door Remote Opener 35 x 5 x 20mm Black & Green SKU: 273495 MODEL: E945MS Error. try again later You've successfully joined the club $ 94 .98 each × Mitre 10 SAvailable at selected stores. Check your local store for details Variants The Merlin E945MS works with all Merlin Security +2.0 multi-frequency garage door openers. Features and benefits Control up to three Merlin Security +2.0 garage door openers. Handy small size. Battery included. Easy to program. Frequency: 433.30 / 433.92 / 434.54Mhz AM.