Specification: Material: Plastic Color: Black, Yellow, Red, Green, Blue Battery: 3x LR44/AG13 button cell Dimensions: 3.03 x 2.17 x 1.57in/7.7 x 5.5 x 4cm(L x W x H) Package Weight: 50g Features: Sound-light alarm device Portable and easily installed The outer layer, sealed without bolt, is made up of sturdy and durable ABS Usable with different kinds of rod in different terrain and weather Power saving. The three batteries equipped can be in use for 1 or 2 years if the power is turned off when in no use No damage to fishing line. it is very sensitive to fish which swallows the bait This LED light alert is the ideal indicator for night fishing Package Included: 1 x Fish bite Alarm 1 x Anti-slip mat 3 x LR44 button battery Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.