Polar H10 Heart Rate Sensor Size Medium to XXL Toe Crests MAP: 20mmHg~110mmHg Jobst Relief 20 30 Knee Hi MAP: 20mmHg~110mmHg It works by securely clamping onto the angle iron of the bed frame with an 8 bracket and tightened by two four armed handles: No tools required * 4 adjustable feet on the floor provide unsurpassed stability and strength * Carpet cleats are included * Promote self esteem by enabling independent transfer * Minimize risk of injury to care provider * 8 mounting bracket for secure installation * 4 armed handle for easy tightening * Solid steel tubing for lasting durability * 4 easily accessible grasping points for convenient use * Attractive powder coat finish * Allows for normal bedding drape * Adjustable to fit most beds * 11 Wide frame for 1 or 2 handed use * No open spaces for potential injury * With Polar H10 heart rate monitoring is more accurate and adaptable than ever Polar H10 heart rate sensor When it comes to accuracy and connectivity Polar H10 heart rate sensor is the go to choice