- Red Aluminium Anodised Casing
- 1w 660nm Red LED Diode
- Twist On / Offf
- 10cm Total Length
- 48 Hours use time on the supplied cell battery.
- Uses 4 x AG3 (LR41) Button Cell’s
Most fish and critters do not have a visual pigment that is sensitive to RED light, and this is the most effective way for viewing the tank on a nighttime without alerting the inhabitants, letting you see the true nightlife that happens inside your reef.