52cm 5V USB Warmer Strap for Astronomy Telescope / Camera Lens Temperature retention from condensation Description: Brand new, high quality Features: The dew heater strap is an essential accessory that protects your optical tube from excess moisture forming condensation on the lens USB Power Bank required Voltage: 5V Maximum power: 7.5W USB cable length: 52cm Heater strap: 30cm Specifications: Product type: USB Heater Strap Material: Electronic component USB cable length: approx 52cm / 20.47in Color: Black Quantity: 1 piece Note: Conversion: 1cm = 10mm = 0.39inch Please allow 0-1cm error due to manual measurement. Ensure you have no objections before placing an order. Due to differences between screens, the image may not reflect the actual color of the product. Thank you! Package includes: 1 x USB Heater Strap (other accessories demonstrated in the image are not included)