Battery Back up for ChairAir 9700C Bed Rails Fall Protectors Health O Meter Scale * Capacity: 500 Style:1 Pair (Left & Right) Health O Meter Scale * Capacity: 500 lb 200 kg * Counterweights included * Graduation: 1 4 lb 100 g * Platform Size: 10 1 2 (w) x 14 (d) platform mat: non slip black * Easy to read rotating poise bars for dual reading in lb and kg * Professional Dual Reading Height Rod: 23 84 60 cm 213 cm * Optional wheels available (item # 55000) * Factory calibrated to ensure accuracy * Powder coated non rust inside and out for extended life * 10 Year Limited Warranty Spacious stainless steel interior accomodates splinting sheets up to 24 x 18 working tank with a cover * Features dual thermostatic controls on high (175oF) and low (160oF) that can be adjusted individually * Dual independent heating elements for both settings provide quick warm up and automatically convert to a more effecient circuit once the working temperature is reached * Grounded hospital grade plug and high heat safety switch *