Feature:1. The sound and light alarm device has five levels of volume control buttons and five set tones control buttons.2. Compatible with conventional signal receiving rocker, the speaker brings clear sound, and the on/off rotate switch.3. Made of sturdy and durable plastic, it is lightweight and can be used in different types of fishing rod holders in different terrain and time.4. The LED warning light is an ideal indicator for night fishing, using 2pcs 2mm diameter high visible light green and red LEDs.5. The fishing alarm makes you never left any place, makes fishing easier, energysaving, portable and easy to install.Specification:Item Type: Fishing Bite AlarmMaterial: Engineering Plastics + Stainless SteelModel: 1264Quantity: 1PcBattery Type: 1 x 6F22 Type 9V Dry Battery (Battery Not Included)Product Color: BlackLED: 2Pcs of Red and Green LEDsWaterproof Rating: Not WaterproofProduct Size: Approx. 11.8cm/4.6in.Package List:1 x Fishing Bite Alarm (Battery Not Included)Note:1. Please allow 1‑2 cm error due to manual measurement. Thanks for your understanding.2. They are all national standard universal screw interfaces, suitable for all standard European‑style fishing rod holders.