Safco Big & Tall Mid-Back Chairs, 400 lb. Capacity, Black - 3503BL Schonstedt Instrument Co 5 feet of submersion for

5 feet of submersion for 24 hours

and posture lock

The prism can be handheld or pole-mounted at the top or bottom

Rechargeable Battery: Li-ion battery lasts up to 4 hours

Q4: What certifications does the light box have

Safco Big & Tall Mid-Back Chairs, 400 lb. Capacity, Black - 3503BL Schonstedt Instrument Co 5 feet of submersion forSafco Big & Tall Mid Back Chairs, 400 lb. Capacity, Black Model Number: 3503BL Features: Big & Tall Mid Back Task Chair great for use in personal workspaces or conference rooms Mid back design provides comfortable back support Black, Bonded Leather seat and back Heavy duty height and tilt mechanism to adjust the chair for optimal comfort Seat height is adjustable from 19 1 2 22 3 4H to suit a variety of users Chrome metal armrests with upholstery pads