The Hornby O Gauge No.2 Double Arm Signal is a ready-to-go pre-built model designed for model railways enthusiasts aged 17 years and up. Made of tin in the United Kingdom, this analogue-controlled signal is compatible with O gauge railways and is perfect for adding authenticity to your train set's scenery. The white colour and double arm design make it a versatile and eye-catching addition to any transportation-themed display.