Leadleds P3 Double-Sided Car Roof LED Sign 30.4 in Full Color Programmable WiFi Taxi Topper Display
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📦⏱Order Hand Time:7 ~ 10 business days, the shipping time is estimated at 3~ 7 days to arrive at your door.

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Leadleds P3 Double-Sided Car Roof LED Sign — 30.4 in Full Color WiFi Programmable Taxi Topper Display
For taxi operators, rideshare drivers, and mobile advertising fleets who need two-direction visibility from a single rooftop unit.
Two Screens. One Mount. Double the Reach.
The Leadleds P3 double-sided car roof sign runs two independent full-color LED panels back-to-back inside a single aerodynamic aluminum frame. Drivers approaching from the front and vehicles following from behind both see your message at the same time. A single-sided sign loses half your audience on every block.
- Screen size per side: 7.6 x 30.2 in (192 x 768 mm)
- Full frame dimensions: 10.2 x 30.4 x 6 in (260 x 773 x 150 mm)
- Cabinet weight: 7.2 kg (15.9 lb)
- Thinnest cabinet point: 4 cm — low wind drag at highway speed
P3 Pixel Pitch — Text and Graphics Read Clearly at Distance
The 3 mm pixel pitch (P3) delivers sharp text, logos, and animated graphics that are readable from across an intersection. Supports: text in multiple languages, symbols, numbers, graphics, video clips, pictures, animations, clock display, and countdown timers.
Seen Day and Night in Any Weather
Super-bright full-color RGB LEDs maintain visibility. The waterproof enclosure protects the electronics from rain, dust, and road vibration. Built-in electrostatic prevention and lightning protection extend service life under continuous outdoor use.
Change Your Message From Your Phone — No Data Plan Required
Connect via the sign's built-in WiFi hotspot. Open the app, type or upload your content, and push it to both screens in seconds. No cellular data is consumed. The WiFi/LAN/USB/4G variant also supports remote management over a 4G network for fleet operators managing multiple vehicles from a central location.
Communication options:
- WiFi/USB (standard), supports 7 colors
- WiFi/LAN/USB/4G (fleet/remote management), full color display
Slim Aerodynamic Frame — Engineered for Vehicle Mounting
The triangular cross-section frame reduces wind resistance compared to flat-panel designs. At 7.2 kg total weight, it falls within the roof load limits of most passenger vehicles. Included metal mounting brackets attach to standard roof rails or magnetic base systems.
Waterproof Construction — Tested for Outdoor Continuous Use
The enclosure is designed to prevent water ingress. Road vibration resistance is rated for continuous vehicle operation. Electrostatic discharge protection and lightning surge protection are built into the driver board — not added as aftermarket components.
Power Requirements and Wiring
Operating voltage: DC 10–33V. Compatible with 12V and 24V vehicle electrical systems. Includes a 10 ft (3 m) heavy-gauge power cable rated for the sign's current draw. Connect the red/brown wire to positive (+) and the black wire to negative (–) at the vehicle battery terminal located under the steering column.
Do not substitute the included cable with a thinner aftermarket cable.
Available in Two Frame Colors
- Silver-White aluminum frame — standard fleet appearance
- Black aluminum frame — matches dark-colored vehicles
Both versions are available with WiFi/USB or WiFi/LAN/USB/4G communication.
What Is Included
- 1 x double-sided P3 LED roof sign (two screens, one frame)
- 1 x 10 ft heavy-gauge power cable
- Metal mounting brackets
- Software app and user manual
Shipping: FedEx / DHL / UPS express. Estimated transit: 5–7 business days after a production lead time of 7–10 business days.
Technical Specifications
| Specification | Value |
|---|---|
| Model | LLDP3-64256RGB |
| Pixel Pitch | P3 (3 mm) |
| Screen Size (each side) | 7.6 x 30.2 in (192 x 768 mm) |
| Frame Size | 10.2 x 30.4 x 6 in (260 x 773 x 150 mm) |
| Cabinet Thickness (min) | 4 cm |
| Weight | 7.2 kg |
| Operating Voltage | DC 10–33V |
| Display Colors | Full Color RGB |
| Communication | WiFi/USB or WiFi/LAN/USB/4G |
| Waterproof | Yes |
| Vibration Resistant | Yes |
| Power Cable | 10 ft included |
| Frame Colors | Silver-White / Black |
Buyer FAQ
Q1: What is the power of the LED sign?
The max power of the LED sign is 240 watts; the average power is 120 watts
Q2: Will this sign work on my 12V battery?
Yes. The sign operates on DC 10–33V, covering both standard 12V and 24V batteries. Suggest connecting to your external battery for stable operation.
Q3: Can I update the message while the car is moving?
Yes. Connect via WiFi from your phone and push new content at any time without stopping the vehicle.
Q4: Is the sign waterproof enough for daily outdoor use?
Yes. The enclosure is for outdoor continuous use and includes vibration resistance for road conditions.
Q5: How long does installation take?
Most drivers complete installation in under 10 minutes using the included brackets and magnetic bases.
Q6: Can one app control multiple signs on a fleet of vehicles?
Yes, with the WiFi/LAN/USB/4G variant, a fleet manager can push content to multiple signs remotely over a 4G network.