External display with optional siren and speaker

1, Voltage of the light bar, siren and speaker?

---Usually in DC 12V, also DC 24V as optional. Voltage customization is welcome.

2, Does the light bar come with speaker and siren?

---Speaker and siren are not as standard, but we do provide lamp controller as standard with light bar.

3, Are other colors available in light bars?

---Yes, light bar is available in red, blue, amber, clear and green as optional.

4, Available length of light bar?

---Most light bars are in 1.2M as standard. Length customization is welcome.

5, Available light sources?

---Light bars come with LED/ Halogen bulb/Xenon bulb as optional.

6, Will OEM be acceptable?

---Yes, OEM is welcome.

7, Do you provide samples?

---Yes we do provide samples based on basic cost of sample and freight.

8, What will the warranty of products be?

---1 year as standard.

9, What payment methods are acceptable?

---L/C, T/T, west union, paypal.

10, Estimated Time of Delivery (ETD)?

---It ranges depending on item and quantity. Normally we finish light bars under 200pcs in about 30 days.