Lamp is much bigger than I've expected. About 10cm long and 2,5cm in diameter. It has two colors. White LEDs shines nicely, red ones are dimmer but that how it's suppose to be. Brightness is variable which is good. Lamp itself look cheaply made. I can't help myself it realy feels like 4€ lamp not 20€ but as functionality goes it works fine but in hand it feels like a cheap product and I can't say that about other Skywatcher products I own so its probably going to be fine.