Ring Writer Clip (Set of 3) (1S 1M 1L) Wrist Braces Supports 5V AA size alkaline batteries CRYO Systems Cuffs 5V AA size alkaline batteries or optional rechargeable battery pack or AC power (charging stand) * Powerful Memory for 72 hours of data storage * Compatible Works with Nonin s full line of sensors * User friendly Large LED display * Cross brace attached with aircraft type rivets * Blow molded bench and back provide comfort and strength * Drainage holes in seat reduce slipping * Adjustable height legs * Aluminum Frame is lightweight durable and corrosion proof * Height: 16 1 2 20 1 2 * 20 width seat * Limited Lifetime Warranty * HCPCS Suggested Code: E0245 * KD 21 cm) * Made of Polyethylene * 41 cm) Medium