0ur opinion: :windshield mount cordless radar detector * built-in rechargeable battery * detects X, K, Ka, and safety band radar, laser, and VG-2 * P0P mode detection * LCD text display with blue backlight *
:Whether you commute to work or school on the freeway, drive for a living, or just like to go on an occasional recreational trip, the Whistler DE-1788 Wireless Battery-Powered Radar/Laser Detector is an invaluable addition to your motor vehicle. Designed with an internal battery pack and equipped with four rechargeable nickel metal hydride (NiMH) AA batteries, the DE-1788 gives you the option of packing away the power cord included with purchase so that you can go wireless.
The DE-1788 gives you 360-degree protection from a full range of detection signals, including X, K, Ka, and safety band radar, as well as laser and VG-2 detector detection. ln addition, the DE-1788 is specially equipped to detect the rapid bursts of P0P mode radar, which last less that 1/15 of a second and are undetectable by non-P0P-equipped detectors.
Lightweight and compact, the DE-1788 comes with a windshield mount to let you position your detector for easy visual access to the blue-background LCD text display. And to limit false alerts, the DE-1788 gives you a choice of three different detection modes, letting you avoid the annoyance of repeated automatic door opener and burglar alarm warnings when you're driving in the city, but letting you know if signal strength becomes strong.
So with the Whistler DE-1788 Radar/Laser Detector in your car or truck, you'll be prepared for just about anything when you're behind the wheel.
Note: Radar detectors can be used without restriction in well over 40 states, but restrictions apply in a few states. Please check with your state department of motor vehicles or highway patrol if you have questions about whether there are restrictions in your area.
What's in the Box DE-1788 radar detector, windshield bracket, straight power cord, 4 AA NiMH rechargeable batteries, home plug-in battery charger, and owner's manual.
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Testimonials
Average Buyer Rating:

Buyer's feedback: 
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* not good with photo radar ...
I bought the unit specifically for new photo radar installations in Arizona. So far I have tested it against a number of known installations. For the most part it fails to detect the Redflex system until I am right in front of the camera. I do not get a lot of false alarms as mentioned in other reviews. The unit does seem to work as designed against policeman operated radar.
Buyer's feedback: 
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batteries
Be prepared to buy batteries right away because the ones supplied with the unit are absolute junk. The replacement batteries sent to me were no better.
Buyer's feedback: 
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* Surprisingly good performance from a cordless model ...
I've been using a Valentine One for years, but my newly acquired vintage sports car does not support a power source, so I had to go with a cordless model. Since this appears to be the only one that doesn't "go to sleep" while turned on, I was attracted to what promised to be better performance than the typical cordless detector. I've been surprised by how good the performance has been. It's no V1, but it's a very good detector, and the cordless convenience is great. It runs for a couple weeks between chargings. I wish the alerts were louder, as I'm using it in a convertible, but I can still hear it go off. Highly recommended, especially at this price point.
Buyer's feedback: 
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Adequate radar detector, batteries and a charger optimize convenience
Not the greatest RD out there (many recommend the Escort 8500, 9500, or Valentine V1 as the top picks), but for the price, what can you expect. You can expect some false alarms, mediocre sensitivity, and some basic features and adjustments. I bought this for the ability to do away with a cord (making the RD a bit larger and heaver), and an included charger that you can take with you on trips in addition to the car cord is a very nice touch. In spite of its sensitivity (or, lack of filtering out false alarms from various sources), it does alert me to real law enforcement measurement devices. Since I use this simply for informational purposes (I rarely travel > 5 MPH over the legal limit), this is fine. For those who wish to daringly exceed posted, lawful limits on a regular basis, I suggest a higher-rated device -- for hundreds $ more, naturally.
Buyer's feedback: 
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* Radar detector = the jam ...
For the price, this radar detector is awesome. No wires, comes with battery/car charger, numerous settings. Costs less than a ticket and will quickly pay for itself.