Device Remote Controls Manufacturer Chamberlain Group Model No. 953ESTD 893LM 953EV-P2 Battery 3 Volts CR2032 Frequencies 310 MHz 315 MHz 390 MHz FCC ID HBW7359 ICID 2666A-TX7359 The most common question is what Battery does a x uses: One 3 Volt CR2032 which can be purchased from almost any store that carries batteries. Image