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Heating pad material | Surface:Black Spunlace Cloth |
Back side: White Nonwoven Cloth | |
Heating element | Composite fiber heating wire |
Voltage | 5V USB plug straight head with waterproof cap |
Size | Length 1M * Width 4cm, cable length 50cm |
Thermostat | to activate at 0°C and turn off at 5°C |
Velcro | With velcro to wrap water tube |
If the thermostat and the USB plug been placed at the same end,
where the power supply is, the end that is inside the bag and is
the least likely to reach frozen temperatures.
Hence the thermostat should be placed at the other end of the tube
that is on the outside, where the water is coming out, is the one
that freezes first.