Specification
| Frequency Control | Precision Crystal Oscillator |
| Output Frequency | 40 kHz (± 2.5 Hz) |
| Frequency | ± 50 parts per million |
| Precision Voltage | 1% Regulation |
| Output Intensity | 115 db at 30 cm. (nominal) |
| Dual Mode Output | Continuous or Burst Tone |
| Power | 9 Volt Cell |
| Battery Life (approx.) | 50 hrs. Continuous |
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