PCB Horizontal type, for single CR2450 CR2430 button battery.Net Weight: 16g; Package Content: 5 Pcs x CR2450 CR2430 Button Battery HolderMain Color: Black; Overall Size: 29 x 9.4mm/ 1.14" x 0.37"(Diameter*Height)Output Voltage: 3VPlease pay attention to the Specification Table before purchasing, make sure our product is right what you want. ---Notes:Battery is not included here.