2-In-1 Lithium Battery Power Measurement Display Bb Ringing Low Voltage Alarm Electric Display Dual Function Buzzer 1-8S Module

protection: It allows you to know the working status of your battery anytime and anywhere, so that the battery will not be harmed by over-discharge or over-charge. Whether in flight or idle state, you can plug the electric display to the battery balance charging to understand the battery power status: If you don't have a multi-meter, it's a must! When the voltage is lower than the set value, the buzzer will sound, the red LED light will flash; set 3.3.V, press the button to change the voltage set value, automatically save the user's current set value. Product Parameter: Voltage detection accuracy: ±0.01V Group voltage display range: 0.5V-4.5V Total voltage range: 0.5V-36V 1S test mode voltage range: 3.7V-30V Low voltage buzzer alarm mode: 2S-8S Alarm voltage setting range:OFF-2.7-3.8V Size:40mm*25mm*11mm Use: for 1S-8S lithium battery detection Packing: 1Pc Method of use: The electric display front up (the side of the digital display), inserted against their own, the white balance of the battery charging plug along the electric display limit the left pin into the electric display will immediately BB sound two, the screen shows the number of jumps, if there is no response,the balance of the charging plug reversed plug on it. The end of the electric display has a small button, used to set the alarm voltage of the electric display. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.