Features: Experiences the convenience of advanced technology with Digital Display 2 Function Buzzers, your for audibles signaling. the ensures durability and reliability, featuring a crisps digital display for easy monitoring and 2 function versatility for diverses applications. The Buzzers for appeal, catering to appreciate precisions and efficiency in their electronic. for wide, can be integrated into projects, electronic devices, and various industrial applications where clear and immediate auditory signals. Elevates your gadgets performances, making it component for hobbyists and professional seekings top electronic parts and battery. Specifications: Materials: Style: 1-8S without Case, BX100 with Case(optional) Package Includes: 1PC Liion Battery Voltages Tester note: Please allow 1-3cm error due to manual measurement. makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.