Perfect for the lawn, landscaping, decks, and docks, the Solar IQ Solar Lights are seen only at night retracting into the ground during the day. Because they retract into the ground Solar IQ Solar Lights are out of the way of foot traffic, kids at play, lawn equipment, and makes mowing the lawn easier and quicker. Simple and easy to install Solar IQ Solar Lights provide illumination for up to 8 hours before disappearing out of site. Solar IQ Solar Lights truly are a smart light requiring no timers or switches. Solar IQ Solar Lights rise when the sun sets and lowers when the sun rises. Made of heavy duty ABS plastic with integrated clutch and load sensing. Solar IQ Solar Lights are weather resistant and are built to last. Solar IQ Solar Lights come 2 per pack with and include a 3.7-volt Li-Ion battery.