HTDZ HT-840HC Wireless Microphone
Product composition: Collar wireless microphone x 2, Receiver x 1
Frequency Range: 470-960 MHz
Channel selectable: Locked
Tunable Frequencies: –
Frequency Stability: 20ppm
THD: <1% @ 1kHz
Microphone: Dynamic with Cardiod pattern
Battery: 2 AA size alkaline battery, 1.5V
Battery life: Up to 10 hours