This is our most popular model GPS-MV-W. Includes twist-lock astronomical timer plus wire-in twist-lock socket with industry standard 1/2" NPT female thread. 

Direct replacement for all wire-in photocells and programmable timers. 

Rated 120-277VAC, 1800VA, Listed UL916. 

15 Year Warranty. Made in USA!

  GPS LightLock Astronomic Timers 
  Powered by GPS 
    *** 15 Year Warranty *** Made in USA *** 

  The World's Only Brand of
Self-Programming, Fully Automatic Astronomical Timers
US Patent   8,816,842

    Quick and Easy Installation
  Zero Programming                 Zero Maintenance 

GPS LightLock  is used worldwide by Fortune 500 companies, public utilities, cities, counties, countries, airports, roadways, prisons, universities, lighting manufacturers, HOA's & private individuals alike.

GPS LightLock is a fully automatic astronomical timer in a twist-lock housing for installation everywhere you have existing photocells and programmable timers. With onboard GPS it is plug-and-play, self-programming and self-  maintaining for the life of the product. There are no user settings. It requires no human intervention. It self-recovers from power outages and it doesn't even need batteries. It solves all your problems with outdoor   light controls. It is a direct replacement for every type, style and brand of outdoor light control on the market today and it comes with a 15 year warranty.

Onboard GPS does all your programming & maintenance for you

Sets your date/ time & location, programs switch times for your location, self-recovers from  power outages & keeps the clock timed to the GPS atomic clock. There is nothing to confuse you and nothing to go wrong. You'll never have to deal with daylight savings time again! 

For all lighting technologies and all lighting applications

For all HID, LED, HPS, Incandescent, Fluorescent, Halogen, & all other lighting technologies.  For all roadway lighting, parking lots, landscape lighting, sign lighting, wall sconces, yard lights, and all other outdoor lighting applications.

Complies with all Energy Codes

GPS LightLock is an astronomical time switch designated for dusk-to-dawn operations. GPS   LightLock is a time switch capable of retaining programming and the time setting during loss of power indefinitely. GPS LightLock never requires any programming or batteries. For step dimming or local time   control, if required, simply connect the GPS LightLock control leg (red wire) to the line side control circuit of the occupancy sensor or local time clock.

GPS LightLock is available in many different configurations.

Twist-Lock configuration for easy installation in about five seconds anywhere you have existing   photocells. Wire-In configuration for easy replacement of programmable timers & wired-in photocells. Controlled receptacles for landscape lighting, holiday decorations or anything else you want on from dusk until  dawn. Also available with bypass switches, GFCI protection, multi-gang switching and more.

More than just an outdoor light controller.

Our customers have come up with all sorts of creative applications for GPS LightLock including  control systems on boats, access control to parks, pools, and other facilities open dawn-to-dusk, solar controls to prevent select loads from running off-peak, irrigation systems controls, off-grid power   generation control logic and much more.

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