Dan Armstrong – Green Ringer

Specifications:

• Input Impedance: 100k ohms
• Output Impedance: 500 ohms
• Signal-to-Noise Ratio: 86 db
• Power Source: 9V DC battery
• Weight: 4½ oz (including battery)
• Dimsions: 2¼” l.  X  2¼” w.  X  1¼” h.