The Powercall® R6-Adam is now in stock! The R6 siren has the Most redefined Powercall Tone, the 6-Adam Tone and the Air Horn sound. You activate the Powercall Tone when the selector switch is pushed up and the 6-Adam Tone when pushed down. The Center of the switch will be off. The unit also has the Air Horn sound with a momentary push button for operation. The unit is a 100 Watt Siren and has the following features and specifications noted below. The cost of the R6 is $165.00 and is available now. When checking our price structure, note that the X71 (1 Tone) is $120.00, the older Powercall Plus (2 Tones) was $142.50 and the R6 (3 Tones) is $165.00. We guarantee that you will love this siren. It's a great new addition to the Powercall® Family.