Designed for demanding projector applications, the Scissor Lift SL features three sets of scissors to provide lateral and front-to-back projector stability with a maximum 100-pound (45 kg) lifting capacity. The SL offers extension positions for show and service that provide ease of access for projector maintenance. Available with models that vary in maximum lifting capacity and extension to service positions. Maximum lifting capacity up to 100 lb (45 kg). Five models available: 4'' (122 cm), 6'' (183 cm), 8'' (244 cm), 10'' (305 cm ), and 12'' (366 cm) extension capacity. Can be installed in existing 2'' x 2'' (61 cm x 61 cm) ceiling grid. Optional Environmental Airspace Housing to isolate projector from environmental airspace above ceiling. Optional ceiling closure panel available in white (standard) or black. Ceiling finish kit optional. Kit includes ceiling trim ring and closure panel. Optional universal-style bracket for projector attachment to lift. Installation of factory installed cables for video and projector control available. Wall switch and service key switch, standard. Optional IR or RF. Lift finish available in white (standard) or black. Patent