Made of high-quality material, durable. Light Size: Approx. 3.2 x 1.6 x 0.8 mm / 0.13 x 0.06 x 0.03 in; Wire Length: Approx. 30 cm / 11.81 in 20 pcs in one set. Voltage: 3V Mini size, easy and convenient to use Suitable for train/railway model scenes, model scenes, high-end architectural models, real estate sandboxes, urban planning sandboxes, manual DIY, model hand-made lights, animation production scenes, and various miniature art scenes, miniature photography, and shooting props Specifications: White Light: Wavelength: X=0.29 nm, Y=0.3 nm; Light intensity: 700–800 mcd; Beam angle: 120° Warm Light: Wavelength: X=0.45 nm, Y=0.43 nm; Light intensity: 700–800 mcd; Beam angle: 120° Green Light: Wavelength: 512–532 nm; Light intensity: 400–800 mcd; Beam angle: 120° Yellow Light: Wavelength: 586–594 nm; Light intensity: 80–150 mcd; Beam angle: 120° Red Light: Wavelength: 615–630 nm; Light intensity: 100–195 mcd; Beam angle: 120° Blue Light: Wavelength: 460–475 nm; Light intensity: 180–240 mcd; Beam angle: 120° Package Includes: 20 Pieces Model Wired LED Lights (3 Pack)