Amplified Ringer and Strobe- Krown amplified ringer with strobe light- Loud ringer up to 120dB- Ringer operated by line power- Ringer hi/mid/low switch- Powerful strobe light- Tone control hi/low switch- 3 AA batteries required for backup, not included- 1 Year manufacturers warranty- Box dimensions: 9.5in L x 7in W x 4in D- White- KRNKRA005
