1. Number of buttons: 4
2. Battery: CR2032 button battery
3. Application scope: garage doors, gates, alarm systems, automatic doors, rolling shutters, etc
4. Operating distance: 20-50 meters (open space)
5. Size: about 8 x 4.5 x 1.6 cm
6. For Motolift Liftmaster 84330E / 94334CE / 94333E / 94334E / 94335E / 84335E / 9747E / 1A5639-7 / 1A5477 / 1A6487 / 132B2372 / D-66793 / WICKES156105 / 84333E / 8747E / 84330EML / 84333EML / 84335EML / 8747EML / 94330E / 94330EWK / 94330EML / 94333EML / 94335EML / 94334HD / GC844 / CG844 / C840 / C940 / C943 / C945 / CM842 / CM844 / CM128