Rtc Clock Battery Suitable For Recorder Control Card Mrt 922 (Rev-4) Of Medha Make Sp Eedometer (Spmcuc - 11 & 12 Version Card) As Per Medha Part No. Sp918841010. [ Warranty Period : 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]