Buy a brand new Astro-Smart 2 Channel Dew Annihilator Astro-Cube Controller (Model MDA). The MDA can be setup with your telescope for trouble free operation using simple user dial in control. The Astro-Cube Dew Annihilator ( Model: MDA) is designed for Astronomers and Astrophotography's who want a low cost, small compact yet powerful(Tiny But Mighty!) dew heater controller that can be put in your pocket ready to grab and go yet at the same time be able to perform just as well as an observatory grade dew controller with option for temperature/humidity optic channel monitoring. The Astro-Smart Astro-Cube Dew Annihilator (Model MDA) is designed to be user friendly, serviceable, elegant and reliable and include the following features shown below: 1. Worry Free Warranty Program For Life Of Product Sale. 2. Full Manually Operated Dial Dew Control Solution. 3. Split 2 Port Output Heat Channels User Control Capable of 180 Watts(12V, 15Amps). Works with any RCA type heat strap such as Astro-Smart, Kendrick, etc. 4.Variable Dial Power Control PWM Duty Cycle 0-100% @ 10 KHz PWM Power Intensity. 5.PWM LED Flash Intensity Indicator For Heat PWM Output Ports. 6.Temperature and Humidity Monitoring Optics Option. 7.Dimensions (2.3” Long x 2.5” Wide x 1.3” High.) 8.4 X Mounting Brackets Top and Bottom Provided as Part Of Package Design. 9.High quality design employs multi-layer PCB form factor and only the best quality components with conformal coatings for outdoor use. 10.Void of RFI(Radio Frequency Interference) protected to enhance Astro-Imaging . 11. MDA units can be specified in colors or in basic black. Each The Astro-Smart Astro-Cube Dew Annihilator (Model MDA) package contains: 1. MDA Dew Controller 2. 12VDC Fused Cigarette Power Adapter Harness. Navigate our site for more information at your convenience using the following links below.. Preferred method of payment is Paypal for your convenience. Clear Skys and thanks for looking.