2U, 3U, 4U, 6U, Series

A) Power: 5W---18W
B) Voltage: 110V/220V; 50-60Hz.
C) Lamp base: E27/B22/E14
D) Lumen (lm): 200~1600, CRI (Ra): ≥ 80
E) Average lifetime: 6000---8000 hours
F) Color temperature: 2700---6400k
G) Pipe diameter: T2---T4 (7~12mm)

Recommendation:
BT 201~ BT 206
BT 301~ BT 310
BT 401~ BT 407
BT 601~ BT 603