10pcs DC 9V Battery Button Power Plug Mega 2560 1280 UNO R3 132 9V Battery Buckle T Type Geekcreit f

Specifications: ? - Type:T type - It can be used as a power connection cable for various electronic products such as multimeters, instrumentation, alarms, medical equipment, and blood glucose meters. - Red and black two-color leads - Line length: 12.5CM - DC male: 5.5-2.1mm (outer diameter - inner diameter) - After the DC male is connected to the 9V battery, the polarity is positive and negative. ? Package Included: ? 10 x DC 9V Battery Buckle T Type