You?ll know you?re safe with this powerful LED Tripwire Alarm Robot by your side! Power him up and station him anywhere. T.R.I.P. stands guard quietly ? until an intruder crosses his path. Once his invisible motion-sensor beam is ?tripped,? it sets off a screaming siren and flashing lights that will scare away unwelcome guests. T.R.I.P. will even chase down the trespassers! T.R.I.P. is one of four Spybots Cybernetic Security Robots. Collect them all! Ages 6+. Requires 3 AAA batteries (not included).