Kendrick DigiCap 120mm Heated Dewcap for Celestron Nexstar 4, Fits ODs 115 to 130mm

The Kendrick DigiCap 120mm Heated Dewcap is constructed of black ABS plastic with felt lining and is attached by wrapping it around your telescope just below the lens or corrector plate ring. The two outside ends are then pressed together using the sewn on Velcro. The DigiCap dewcap have a built in low wattage heater and includes a Micro FireLite controller to allow for variable heat settings. The heater is inside a rubberized sleeve that makes good contact with your telescope to keep it free of moisture and it is this sleeve that provides a friction fit and keeps the DigiCap dewcap in place.