Add new life to your garden or just have light to see where you are walking. The innovative Glowstone TM lights up for a user-adjustable 5 - 30 seconds as its built in motion detector senses you passing. Advanced circuitry ensures that the unit is only activated at night. The battery operated Glowstone TM can go anywhere and has no messy wires, keeping your outdoors beautiful and natural looking. Batteries last up to 6 months. Its granite finish looks amazingly real and seamlessly blends into any environment. Ideal for gardens, driveways, patios and swimming pools, the Glowstone TM will create the right mood, illuminate your path or just amaze your friends and neighbors.P3IP7400. P7400. P3 P3 P7400 Glowstone (TM) Pathway Motion Sensors.