Amplivox Wireless handheld half-mile hailer PA is a powerful sound system that outputs sound level of 108 db. Wireless handheld PA produces sound that is audible for crowd up to 3000 and requires 60 W of power to operate. Ready to assemble. Attractive chrome finish on the base and gas lift. Dual wheel casters allow for easy movement. Beige seat. 17" diameter padded seat. 6-year manufacturer's limited warranty. With Back: 35-41"H x 17" diam. x 25"D. 6" vertical height range. Backless: 21-27"H x 17" diam. x 25"D. Faux leather top. Backless Doctor's stool. Boss® Caressoft™ Backless doctor's stool in beige color measure 20 1/2"- 26 1/2" x 16" and has faux leather upholstery for optimum comfort. Move freely around an exam room or office with the Boss Caressoft backless doctor's stool. Adjust the base height to any level between 20. 5 inches and 26. 5 inches for ultimate comfort. The beige faux leather upholstery and high-shine chrome base combine to add a sleek, professional look to your workspace.