DH-2 Dew Heater - USB powered

Starfield Optics
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Dew heater with 20 cm strap is designed to fit 2” Finder and Guide Scopes. Works with 5V power supply and produces 4W of power.Equipped with standard USB plug to be powered from a USB power bank. Comes with 2m silicone cable. The strong Velcro strap makes it easy to wrap it around your telescope and hold it in place.Note! The OTA size is only estimated. Please check your OTA circumference before buying. Not to be powered by a laptop.