Wireless remote sense bite alarm kit not only has sound and light alarm while fish bites, but also send signal to over 100 meters away, so you can walk away or have a rest carrying the receiver, not afraid to miss hooked fish. Features: -Transmitter Transmitters have over 100m transmission rangewith special encoded frequencies. 16LED light on each transmitter, for drop/back, speed setting, direction. The bite alarm will send out warning beeps when the rod leaves. Adjustable sensitivity, volume, tone button, LED bright, drop back with different sound. 256 variable code enough to prevent interference from another angler. High visibility LED latching about 20 seconds, LED alarming signals with high output speaker. Fixed bolt with adjustable screw and extra plug for illuminated swinger. Powered by a 9v battery(not included). -Receiver Transmitters have over 100m transmission range. 6 different color LED light to match 6 different alarms. On/off, adjustable volume, vibration button. Vibration, LED alarming signals with high output speaker. Memory LED, night light, powered by 3* AAA 1.5v battery(not included). Portable zipper padded case stores all contents, convenient to carry around. Specifications: Material: ABS & Copper Type: JY-17-2 / JY-17-3 / JY-17-4(Optional) Bite alarm size: 11.5 * 5 * 4cm / 4.5 * 1.9 * 1.5in Receiver size: 11 * 5.5 * 3cm / 4.3 * 2.1 * 1.1in Zippered case size: 30 * 20 * 5cm / 11 * 7 * 1.9in Package size: 34 * 23 * 6cm / 13.6 * 9.6 * 2.3in Package weight: 956g / 29.6oz Package List: 4 * Fishing Bite Alarms 1 * Receiver 1 * User Manual(English) 1 * Case