Powerful LED ground spike lamp Tommy - GX53 lamp with adjustable light colour Especially next to paths on the property, the Tommy earth spike spotlight is an effective and adjustable light source. The adjustable lamp head is equipped with an LED lamp whose colour temperature can be set to 3,000 K, 4,000 K or 6,500 K. The light is emitted through a frosted polycarbonate diffuser, which in combination with the black cast resin housing including silicone seals, results in a resistant and durable luminaire.