remote is a perfect replacement for sony tv remote, it's no need to setup, just insert the batteries and start using. although it is not a original remote. it is a replacement specifically manufactured for the sony smart tv, 100% compatible replacement for sony tv models: rmttx100d kd-43x8301c rmt-tx101j rmt-tx102u rmt-tx102d kdl-75w855c kdl-55w807c kdl-22bx320 kdl-22bx321 kdl-32bx320 kdl-32bx321 kdl-32bx420 kdl-32bx421 kdl-40bx420 kdl-40bx421 kdl-46bx420 kdl-46bx421 kdl-55bx520 kdl-32r300b kdl-32r330b kdl-32r400 kdl-32r400a kdl-32r420b kdl-40r350b kdl-40r380b kdl-40r450 kdl-40r450a kdl-40r470b kdl-46r450a kdl-46r453 kdl-46r453a kdl-48r470b kdl-46r471a kdl-50r450 kdl-50r450a kdl-32hx750 kdl-32hx751 kdl-32hx753 kdl-32hx755 kdl-32hx757 kdl-32hx758 kdl-32hx759 kdl-40hx750 kdl-40hx751 kdl-40hx753 kdl-40hx755 kdl-40hx756 kdl-40hx757 kdl-40hx758 kdl-40hx759 kdl-40hx75g kdl-40hx850 kdl-40hx853 kdl-40hx855 kdl-46hx750 kdl-46hx751 kdl-46hx753 kdl-46hx755 kdl-46hx756 kdl-46hx757 kdl-46hx758 kdl-46hx759 kdl-46hx75g kdl-46hx850 kdl-46hx853 kdl-46hx855 kdl-55hx750 specification:package weight: approx.18.1g dimensions:20 x 4 x 6 cm material: abs frequency: 433 mhz remote range: around 10 meters battery required: aaa x 2 (not included) sony tv replacement remote features: 1.this is the dedicated sony replacement remote control not the original one, but function is 100% same as original and it covers all the functions of original remote. 2.the lightweight and ergonomic design make it very comfortable. it is the ideal choice when your original remote control is lost, broken or when you want a new one. 3.100% compatible with most models of sony series tv.perfect replacement of sony remote - perfect solution to replace your old or broken tv remote. functions are 100% as the same as the original oneno setup requiered - simply insert the batteries(not supplied) and start using your sony tv replacement remotepecifically manufactured for sony - the sony tv replacement remote is compatible with some models: kdl-40bx420 kdl-40bx421 kdl-22bx320 kdl-22bx321 kdl-32r300b kdl-32bx320 kdl-32bx321 kdl-32bx420 kdl-32bx421 kdl-40bx420 kdl-40bx421 kdl-46bx420 kdl-46bx421 kdl-55bx520easy to grip - the lightweight and ergonomic design make it very comfortable.perfect for everyone. it is the ideal choice when your original remote control need a replacementdimensions : 20.7 x 5.9 x 2.3 cm; 80 grams