Tango Fire 4000 vs Sightlok RF-1
Tango Fire 4000 or a Sightlok RF-1 with a handheld rangefinder? We judged both on eight criteria. The Sightlok RF-1 and Sig KILO2200 setup wins six, ties one on environmental sensors, and costs $1,010 less. The Tango Fire 4000 wins one: its wired remote.


