I bought two more of these units in late Nov. 2011. Same great product; provided same reliable service. In an era where everything new seems to work more poorly than older versions, this is still a good, useful product. I continue to recommend it highly.
Original review: 11/20/2011
I bought one of these units about 12 years ago at a local hardware store (now out of business, fie on Lowe's). I use it outdoors, for Christmas lighting.
Each year I plug it in on Thanksgiving, and turn it off in mid-January. Here in Upstate New York there is so much snow, wind and cold temps by January, so I leave the switch outdoors until late March.
The switch is exposed to rain, snow, nighttime temps below -20 F, direct sun in the daytime, etc., etc. In short, it has tough duty outdoors in the worst 4 months every year.
It has never failed me. Comes on every evening at sunset, and stays on for exactly how long I set it. Nothing random or unreliable. Having a three-wire system is an extra plus for safety. I use a ground-fault receptacle to help protect against shorts, but in 12 years there has never been a ground fault short.
I particularly appreciate that the directions are embossed on the cover of the unit. Since I hook it up once a year, I never need to scratch around to find the programming directions. They are right there in my hand. It takes about 30 seconds to read the directions and program it. Very easy by any standard.
Today I'm buying two more of these little gems from Amazon, so if the first one ever goes out I'll have a lifetime more of them.
Very highly recommended.