Thermalator Stationary 8 Pack Unit Stretchers Provides ultrasound and a single Extrication Supplies Provides ultrasound and a single channel low volt AC stimulator * Ultrasound delivers up to 20 watts odd variable or non interrupted power * Stimulator features ramped surge mode with adjustable surge duration and frequency range (1 80 pps 9 Inches & Under Includes (8) standard hot packs * Size: 16 L x 18 W x 18 H * All Whitehall Thermalators feature thermostatically controlled water temperature seamless coved bottom for ease of cleaning lighted front mounted on off switch * Concealed heating element and snap off thermal protector to prevent overheating and hand burns *