on roof LED Dot display supplier
USD $200 - $2,000 /Piece
Min.Order:10 Pieces
Zhejiang Huaan Security Equipment Co., Ltd.
Environment temperature:-10℃-- +60℃ Voltage: DC 12V Power of every display screen: 30W Display screen size: 144mm*576mm Resolution : 16(Y)*64(X) resolution ratio of Unit area : 12345 dots/m² Modules arrangement:4(X)*1(Y) Modules size:144mm*144mm Screen body pixel: 1024 dots whole brightness: >2000cd/ m² range of visibility: 5~80m LED chromaticity: red(or amber) LED wavelength: 565~580nm/620~635 LED brightness: ≥ 1000mcd Angle of view:horizontal:90°; vertical: 30° Pixel interval:9mm brightness adjustment: automatically refresh frequency: ≥ 100HZ Communication Way: 232/485 Native COM port Communication distance: ≥ 120 M(lasting) service life: 100000 hours Malfunction Dot Rate: <2/10000 mean time between failures: >=10000 hours whole contour dimension: 1200 *300*260mm Net weight: 12.8kg |
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.