Ray-JrMALL Wireless Fishing Fish Bite Alarms LED Light Waterproof Electronic Multi-Functional Black 1. High-quality and multi-functional, combining sound and light, loud volume and high sensibility. 2. This set of wireless remote sense alarm has signals when fish bites the hook, such as sound, light, vibration and numeral alarm. Using included matching battery, low power consumption standby, energy-saving and easy to carry. 3. Excellent overall airtight, waterproof and durable, suitable for most people. Color: Black. Material: ABS.