VINTRONS Battery ForCrestron MTX-3, PTX3 Crestron TPMC-3X-L TPMC-3X Touchpanel Prodigy PTX3, LPPCZRST1S1P TPMC-3X-BTP 1000mAh Capacity: 1000mAh / 3.7Wh Type: Li-Polymer Volts: 3.7V Size : 67.70 x 31.90 x 4.40mm Certificated with ISO9001, RoHS & CE;