Brightness: 3 lumens Size: 7 Light color: heat white Material: ABS Light supply power: five (W) Charging time: 4-5 hours Working time: whole energy on 8-10h Light source: a led lamp bead Protection level: IP65 Voltage: 1 (V) 1pcs(1lamps + 1stickers + 2screws) 2pcs(2lamps + 2stickers + 4screws) 4pcs(4 lamps + four stickers + 8 screws) 8pcs(8 lamps + 8 stickers + sixteen screws) 12pcs(12 lamps + 12 stickers + 24 screws) 16pcs(16 lamps + sixteen stickers + 32 screws) 20pcs(20lamps + 20stickers + 40screws) 30pcs(30lamps + 30stickers + 60screws) [Light color] All are black shells. There are two gentle colors, warm comfortable and white mild [Waterproof and Warranty] The solar deck mild adopts difficult ABS shell and wonderful photo voltaic panels, [Various uses] Solar security lights are very compatible for illuminating stairs, paths, gardens, decks, lighting fixtures entrance doors, backyards, driveways, garages, outside walls, etc.