Optimized voiceband noise masking for acoustic interference against listening devices such as microphones and tape recorders.
Includes:
-Carrying case
-AC transformer
-Suction cup window/wall mounting kit.
| Dimensions | 5.38" x3.38" x1.25" |
| Frequency | 300Hz - 3KHz |
| Output Sound Level | MAX 92 dB @ 4 pi. |
| Power supply | two 9 volt alkaline batteries or AC transformer (120 or 240 VAC) |
| Weight | 12 oz (340.2g) |