Robotic Window Cleaner w/Remote Control

This cleaner has a strong suction power of 3800PA and can clean 1.5 square meters in 4 minutes. It features a double-disc twisting motion for thorough and effective cleaning. Price drops from $129.99 to $99.99 to $69.99. You just have to clip the $30 off coupon found on the product page to get the discount. Shipping is free. 

Clip the $30 off coupon.