1. Leica GEB121 NI-MH 6V/4.2mAh rechargeable battery ; 2. color :black ; 3. Voltage :6v ; 4. Capacity :4200mah ... 1.Leica GEB121 NI-MH 6V/4.2mAh rechargeable battery ;2.color :black ;3.Voltage :6v ;4.Capacity :4200mah ... Leica TPS series ,TC series , RCS series , GS series , SR series , DINA03/10 series Electronic Level ;6. weight : 355g ... series ,TC series , RCS series , GS series , SR series , DINA03/10