W&W Astro dew heater 40 cm strap is designed for 4 inches telescopes. Works with 12V power supply and produces 8W of power. Comes with 2m silicone cable. Made with simple design but astonishing good quality materials and finishing. It’s main advantage is low power consumption hence dew controller is not requited. Compatible with popular controllers. It’s made to be easy wrapped and hold in one place.
Note! The OTA size is only estimated. Please check your OTA circumference before buying.