Stanley 31221 Digital LightTimer PhotoCell Photo Electric Digital Outdoor Timer Two Grounded 2-Outlet Photocell Time. This outdoor digital timer has two grounded outlets. It can be set from dusk to dawn or in a 1-9 hours range from dusk for your daily 24hr use. Replacing #31217 Rating: 125V/8A/1000W. Turns on lights at dusk with photo electric eye. Rugged, Reliable, Simple to Use. Lights Automatically. Perfect for holiday, landscape, security lighting. Timing range from 1-9 hours, dusk to dawn settings. Set Time With The Click Of A Button. Durable Construction For Indoor And Outdoor Use.