Transmitter

• Maximum transmission distance: 10 Km
• Maximum depth distance: 2m
• Maximum operating current: ≤3.5V (the LED will flash)
• Volume adjustment function: Volume level control
• Signal transmission format: Multi-frequency pulse
• Charging current: 800 mA
• Signal output: 21Vp-p
• Signal sensitivity distance: 0~2m
• Low voltage indication: ≤ 150mA ±10%
• Power supply: Lithium battery DC 3.7V
• Operating temperature: -10~50°C
• Working humidity: 30~60%
• Weight: 210 g
• Dimension: 150(L) x55(W) x34(H)mm

Receiver

• Maximum operating current: ≤6V (the LED will flash)
• Low voltage indication: ≤80mA ±10%
• Power supply: DC 9V battery
• Operating temperature: -10~50°C
• Working humidity: 30~60%
• Weight: 110g
• Dimension: 255(L) x45(W) x28(H)mm