Provide extra defense against theft beyond standard AllPoints Security without the extreme of enclosing the entire projector. Available in three key configurations SSB311 PL1B or PL1C. See the PL2 for use with smaller projector models. Includes key option C keyed lock for an added level of security Choice of three unique locking configurations indicate SSB420 PL1B PL1C Maintains convenient lamp and filter access for hasslefree maintenance Compact design for a discrete appearance Sliding access doors make projector maintenance quick and easy Slotted design for proper projector ventilation Compatible with new or existing RPA series installations Allows standard routing of cables through 1.5 NPT pipe Ships fully assembled This product ships in approximately 1 days