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Keep your telescope or camera lens free of frost and dew; SV192 dew heat strip can avoid fog on cameras and telescopes even on the most humid nights
Fit external diameter below 152mm; with 480mm heated portion; SV192 heater strip will fit around a scope with 480mm lens circumference
12V DC plug lens warmer works off of a power pack like the ones used to power a go to scope; 5.5×2.1 female DC adapter can connect with a portable power bank for using outside
3 levels of warmth; The SV192 heating strip comes with a controller switch with Low Medium and High heat button
High quality material; PET silicone insulation process prevents internal short circuit; alloy fiber heating wire quickly warmed; soft cotton material will not scratch your devices