Brown Ereada FIR Amethyst Mat SINGLE 75"L x 39"W (190 x 100 cm) brown The Amethyst crystal layer refracts

The Amethyst crystal layer refracts this light to penetrate the body 6-8 inches (15-20 cm) deep

Captures warmth from overheated zones of the head and redistributes it to the lower temperature parts

Heat levels are displayed as Levels on the controller screen

This controller allows the adjustment of the temperature of inner low EMF heating systems with 5°C  increments in the range 86°F~158°F (30°C-70°C)

Brown Ereada FIR Amethyst Mat SINGLE 75"L x 39"W (190 x 100 cm) brown The Amethyst crystal layer refractsBrown Ereada FIR Amethyst Mat SINGLE Specification Mat Surface Luxury Rich Brown Heat Resistant Eco Suede Weight (mat only without controller) 40 lb (18 kg) Amethyst Crystal Weight 26 lb (12 kg) Amethyst Crystal size 2 7 mm, tumbled shape Amethyst Color Natural Violet Clear (no paints added) Amethyst origin Korea Amethyst Refractive Index 1. 544 1. 553 Temperature Range 86 ~ 158F (30 ~ 70C) Mat total area size 75 x 39 inches (190 x 100 cm) Heating