10 PCS / Pack 7mm Anti-interference Degaussing Ring Ferrite Ring Cable Clip Core Noise Suppressor Filter Type-Power Inverter High speed

High speed

Transmitter battery: 12V/23A battery x 1 (shipping without battery)

5 inches (63mm)

Recording function: double-click the switch button of the device to record in the APP

10 PCS / Pack 7mm Anti-interference Degaussing Ring Ferrite Ring Cable Clip Core Noise Suppressor Filter Type-Power Inverter High speed1. Product usage: (1). Clamp on the signal line to play the role of anti interference and electromagnetic compatibility (2). Clamp on the power cord to stabilize the current and improve the sound quality 2. Nickel zinc ferrite. It can improve the electromagnetic field around the solenoid to avoid external interference 3. Easy to install, easy to use, can be disassembled, there are elastic clips on the port 4. Good performance, high efficiency and long