With Sure Cross® wireless node built into tower base, Model TL70 offers 2-way wireless communication and is available in 900 MHz or 2.4 GHz configurations. Water-resistant 70 mm light tower can display up to 5 colors and includes 92 dB adjustable alarm with 4 user-selectable tones, including pulsed, chirp, siren, or continuous. Each light segment can be selected solid ON or flashing, and appears gray when off to eliminate false indication from ambient light.