Features: 1.High quality LED, long lifespan, high energy efficiency and reliability, small decline, no flashing 2.To decorate your aquarium in colorful lights and produce uniform bubble. High quality air stone, makes your fishes be more health 3.Safe to use: Width input voltage(AC100-240V), low output working voltage (DC 12V), safe and energy saving, do not cause any harm to people or fish 4.Can be used seperately or with resin products, such as volcanoes, rockery, a variety of shaped resin inside or at the bottom of a variety of products, beautiful effect 5.Unique air bubble stone, fashionable and beautiful, ideal for aquarium, fish tank, pool, pond, etc Specification: Features: 1. High quality LED, long lifespan, high energy efficiency and reliability, small decline, no flashing. 2. To decorate your aquarium in colorful lights and produce uniform bubble. High quality air stone, makes your fishes be more health. 3. Safe to use: Width input voltage(AC100-240V), low output working voltage (DC 12V), safe and energy saving, do not cause any harm to people or fish. 4. Can be used seperately or with resin products, such as volcanoes, rockery, a variety of shaped resin inside or at the bottom of a variety of products, beautiful effect. 5. Unique air bubble stone, fashionable and beautiful, ideal for aquarium, fish tank, pool, pond, etc. Specification: Condition: Material: plastic+Sintered stone Color: As Pictures Shown Input Voltage: 100-240V Output Voltage: DC 12V, 0.3A Plug Type: EU Plug Leds: 19pcs Beads Lighting Color: 12pcs Outer Blue+Green+Blue+Green, 7pcs Slow Flashing Light. Suitable for: general(applicable for 4mm/8mm hose). Size: approx.13.2*1.9cm/5.2*0.8in(D*H) Cable Length: 2m/6.6ft Weight: Approx.306g/10.8oz Package list: 1 * LED Bubble Air Stone light 1 * Power Plug Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.