Chamberlain Group PD222 1/2-HP Chain Drive Garage Door Opener with 2 Remotes, Black The product is 1/2 hp, chain drive garage door opener, with 2 remote Easy and simple use kit The product is manufactured in china Powerful and quite DC motor Two 1-button visor remotes with tri-band frequency Easy-to-install doorbell wall control IR safety sensors 6 year motor warranty and 1 year parts/chain/accessories warranty