WW Astro 40cm dew heater strap designed for a 4" telescope. Works with 12V power supply and produces 8W of power. Comes with 2m silicone cable. Made with simple design, but good quality materials and finishing. Its main advantage is its low power consumption. It is compatible with popular controllers. Easily wrapped and held in place with a stretch velcro tab. RCA connection
Note: OTA size is estimated. Please check your OTA circumference before buying.