LED Grow Lights for Indoor Plants Full Spectrum Linkable 5000K Daylight/620nm Red/465nm Blue IP20 Waterproof Adjustable Height Hanging Outdoor Indoor Plant Lights for Growth Seed Starting Specification: Size: 2 rows 58leds(30cm) / 2 rows 96leds(50cm) / 4 rows 120leds(30cm) / 4 rows 192leds(50cm) (optional) Plug Type: US plug / EU plug (optional) Main Material: Aluminum + ABS Light bead model: SMD2835 Rated Voltage: AC100-277V Power: 10W(2 rows 30cm) / 20W(2 rows 50cm/4 rows 30cm) / 40W(4 rows 50cm) Lumen: 280LM(2 rows 30cm) / 544LM(2 rows 50cm) / 358LM(4 rows 30cm) / 999LM(4 rows 50cm) Power Cable Length: 1.5m / 4.9ft 2 Rows 30cm Size: 30.7 * 6cm / 12 * 2.3in 2 Rows 50cm Size: 50.7 * 6cm / 20 * 2.3in 4 Rows 30cm Size: 30.7 * 10cm / 12 * 3.9in 4 Rows 50cm Size: 50.7 * 10cm / 20 * 3.9in 2 Rows 30cm Weight: 220g / 7.7oz 2 Rows 50cm Weight: 321g / 11.3oz 4 Rows 30cm Weight: 337g / 11.8oz 4 Rows 50cm Weight: 531g / 18.7oz