Size: 73 x 59mm (length x width); Net weight: 72g; Package Weight: 82g; Power: 25W; Color: Black; Voltage: 220~240V; 1: fever effect is good but does not emit light stimuli affect animal sleep. 2: anti-shock heating 20000 hours uninterrupted. Is the longest of all lamps in the luminaire. 3: In the far infrared heat emitted at the same time the animals have excellent health care. 4: 99% thermal efficiency 5: Emission natural infrared heat is not light will not disrupt the normal cycle (day / night) 6: Solid ceramic element suitable for humid environments 7: easy installation coupled with ordinary ceramic lamp holder screw on top.