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Key Features
- 11.8" Touch-Fastener Strap
- Uses 12V Power Supply
- Produces 6W of Heating Power
- USB-A Plug
This DH-3 Dew Heater for 3" aperture telescopes helps keep your optic free of condensation. The hook-and-loop-fastening heater strap is 11.8" long and runs on an external, user-supplied 12V power supply via the included 6.6' silicone-covered cable with a USB-A plug.
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"Uses 12V Power Supply" but "USB-A Plug"? This ...
"Uses 12V Power Supply" but "USB-A Plug"? This doesn't make any sense.
The Starfield DH-3 Dew Heater for 3" Telescope (BH # STDH3U) includes a 6.6' silicone-covered cable with a USB-A plug which will plug into a user-supplied 12VDC power supply like this one:
Belkin Boost Charge USB Type-C Power Bank (20,000mAh, 30W), B&H # BEBPB002BTBK, https://bhpho.to/44deRyF
Date published: 2025-06-26