Color: silver. Door weight: between 45-60kg (99lb-132lb). Door width: 80-130cm (31.4"-51.1"). Door open range: 180º maximum. This door closer can be installed either on the left door or on the right door. Easy to install the door closer on the door by coming screws,Light door closer is a great alternative for use on interior and light weight exterior door applications. This Adjustable door closer works with most types of medium doors ，right and left opened doors, wood , residential and commercial doors, glass doors with frame and etc. This door closer is not suitable for "big door" or "heavy door". Automatic door closer is made of stainless steel and zinc alloy, adopt integrated molding process and multi-channel assembly process, make the whole product is durable and sturdy. If the product is damaged,If the product is defective, please contact wanlian,we can return it for free or a full refund, please buy with confidence!, Weight: 0.67 pounds, Manufacturer: WANLIAN