1,This is a remote control suitable for Sony AV system 2,Adopt high grade ABS material, wear-resisting and durable 3,Remote control distance is over 8 meters, remote control distance differs depending on the type of TV 4,Just need install new batteries to use 5, High performance and low energy consumption Features: 1. This is a remote control suitable for Sony AV system. 2. Adopt high grade ABS material, wear-resisting and durable. 3. Remote control distance is over 8 meters, remote control distance differs depending on the type of TV. 4. Just need install new batteries to use. 5. High performance and low energy consumption. Specification: Shell Material: ABS Control Distance: > 8m / 315in Battery: 2 x AA Battery (Not included) Suitable: for Sony RM-ADU138 FOR DAV-TZ140 HBD-TZ140 SS-CT121 SS-TS121 SS-WS121 Size: Approx. 150 x 50 x 25mm / 5.9 x 2.0 x 1.0in Weight: Approx. 60g Package List: 1 x Remote Control Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.