Upper surface of underblanket is made with cotton which is heated comfortably. Temperature zones of feet and body is adjustable separately. Each zone has nine temperature settings. Prevention of overheating is provided by BSSreg;. It has LCD display with latest switch. Timer is adjustable individually with one hour interval. The consumption is indicated in kWh. It consists temperature setting of anti-allergy. Time of pre-heating is 15min. Available in standard size of 150 x 80cm. Heat is automatically set to 6 three hour later.