LED Guardrail Tube,LED Guardrail lamp Working voltage:12V/24V (DC, AC), AC110V/220V Tube color: ... );3. Every meter can be installed 96PCS/108PCS/144PCS LED lamp beads;4. Design according to concentric circles theory, after numerous ... and millions types;8. Easy to install, projection angle is big. Dust-proof, leak-proof power;9. Working voltage:12V, 24V ...