SVBONY 240*50mm Dew Heater Strip Telescope Lens Temperature Regulator USB Type-A

Description

SVBONY SV172 USB Lens Heater Dew Heater Strip for Camera Telescopes Lens Condensation Prevention Fits Outside Diameters 76mm
Designed for astronomy telescopes, and compatible with DSLR camera lens: protecting optical devices like telescope and camera from fogging or freezing.  It can be used for heating baby bottles or feeding bottles indoors or outdoors. Can be used as a wrist strap or knee strap to protect you from cold weather or emergency condition.
Convenient USB port design; connect it to power source with USB port, such as 5Vpower bank, car charger, laptop, desktop computer, etc.
Three gear regulator with strong-medium-weak Heating Modes. You can adjust the temperature for different use requirements. Super-fast and continuous warming with fast start up to heat.
50mm narrow width does not interfere focusing, and will not produce dark corners in the field; it is also the width that reduces interference for other accessories on the lens barrel.
Good keep warm effect: imitating OK cloth, SBR and Black-T three-layer keep warm material reducing heat dissipation, and the inner surface does not wrinkle after being bent. It fits the lens barrel better and which increases the keep warm effect.
Even heating: the built-in aluminum film conduct even heating surface, no dead angle left.
Safe usage and short circuit prevent. Alloy fiber heating wire provides super-fast and continuous warming. Silicone insulation process prevents internal short circuit.
Specifications:
Brand: SVBONY
Model: SV172
Dew Heater Strip of approx. Work Length:  240mm
240mm Fits outside diameters less than 76mm /3"
Interface Type: USB Type-A
Input Voltage: 5V
Input Current: 1.45A~1.55A(240mm); 1.8A-1.9A (320mm);  1.9A~2.0A (400mm)
Temperature Adjustable: Yes
Power Cable of Length: 1.8M
Dew Heater Strip of material: Imitation OK cloth + SBR + Black-T +Aluminum Film+ PU
Power cord material of material: Nylon
Package Includes:
SV172 USB Dew Heater Strip
Carrying Case Package
Three Position Thermostat
User Manual
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