5 Pack Emergency Mylar Thermal Sleeping Bag 84"x36" - Up to 20MHz output

- Up to 20MHz output frequency and 5V peak-to-peak amplitude

1pcs IC 74HC595

6Hz tuning fork

9" x 9" (650 x 250 x 230 mm)

Spring steel rods at each with adjustable weights at each end provide the vibration that influences the wave frequency

5 Pack Emergency Mylar Thermal Sleeping Bag 84"x36" - Up to 20MHz output5 Pack rescue sleeping bags provides compact emergency protection in all weather conditions Made of durable insulation Mylar material Retains reflects 90% of body heat Waterproof and weatherproof Each bag measures 36" x 84" when fully opened Each comes individually wrapped and folded to be small enough to fit in most first aid kits 5 Pack. These disposable rescue sleeping bags keep in body heat and preserve body temperature. Made of durable,