Sorry, this deal has expired.
Holahome via Amazon offers its Holahome Wireless Long-Range Driveway Motion Sensor Alarm for $19.99. Coupon code "40TEN2BH" and the stackable on-page 10% off discount cut that to $9.99. With free shipping, that's $10 off list and the lowest price we've seen. It features a 328-foot range. Deal ends January 4.