The budget model has a blank plate. Rechargeable batteries are supplied with the solar model. This light flashes when energizer is operational. Secures to existing fence or wall, or may be pushed into soft soil. On average, the energizer requires a minimum of three hours per day of direct sunlight.
Some days can be completely cloudy.
The internal batteries average out these fluctuations. For most parts of the world, the three hour average is available all year around. Check our animated sunshine map for details on your location. Details covering installation of the boundary wire are in the next section.