Deter thieves with an affordable visible warning that is quick and easy to install this dome shaped imitation camera has a red led flashing light that can be seen at night for both indoor and outdoor use ready to go straight from the box wire free led flashing light realistic appearance battery operated specifications power 3x aa batteries not included h x w x l 10cm x 10cm x 12cm battery life 6 12 months tested and approved when using good quality alkaline batter