Availability: 3 In Stock
Vendor: HollyLand
Secure payment
Fast shipping
Price Match Guaranty

Mars 300 PRO is using the latest coding, decoding technology, and 5G wireless transmission technology. It can achieve ultra-low latency wireless video transmission. It has a transmission range over 400ft with a clean line of sight (LOS) when the transmitter is connected to 1 receiver. The transmitter can connect with 1 receiver and 2 APPs Monitoring (Or 1 Transmitter connects to 3 APPs Monitoring Without RX). And Both transmitter and receiver equipped with L-series battery plate and also can powered by USB type C port.


Packing List

  1. Transmitter x 1;
  2. Receiver x 1;
  3. User Guide x 1;
  4. Cold Shoe x 1;
  5. Expansion Accessory x 1;
  6. USB Type-A to Type-C data cable x 1;
  7. Antennas x 3;


Key Features

  1. Wheel Button on the Side, One-button Rolling Adjustment
  2. OLED Screen Display on the Side
  3. 400ft Transmission Range between RX and TX (LOS)
  4. 300ft Transmission Range between TX and APP (LOS)
  5. The Lowest Latency is 0.08s
  6. HDMI Input & HDMI Loop Out at TX, Dual HDMI Output at RX
  7. Supports USB Type-C Power Supply
  8. 1 Transmitter Supports up to 1 Receiver and 2 APPs Monitoring (Or 1 Transmitter Supports up to 3 APPs Monitoring Without RX)
  9. Supports Smart Channel Selection
  10. Supports APP Firmware Upgrade






HDMI Input (Type A Female)

HDMI Loop out (Type A Female)

2 Antenna Interfaces (RP-SMA Male)

USB Type-C

HDMI Output (Type A Female)

USB Type-C

Supply Power Range

USB Type-C Supply: 5V/2A

Battery Supply: 5-12V DC

USB Type-C Supply: 5V/2A

Battery Supply: 5-12V DC

Power Consumption



Net Weight




(L*W*H):  106*61*21.8mm

The battery plate and antennas excluded

(L*W*H): 110*61*21mm

The battery plate excluded

Input / Output Video Format


















Modulation Mode



Transmission Power

Maximum 21dBm


Receiver Sensitivity



Transmission Latency

The lowest latency is 0.08s

The lowest latency is 0.08s




Thank you for visiting and shopping at Diopte Following are the terms and
conditions that constitute our Shipping Policy.

Shipping time

Domestic Shipping

Handling time: 1 - 2 Business Days

Transit time 2 - 7 Business Days

Domestic Shipping Policy Free shipping

All orders are processed within 1-2 business days. Orders are not shipped on weekends or holidays. All items ordered on Monday-Friday before 3 PM EST will ship out the same day.
If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in the shipment of your order, we will contact you via email or telephone.

Shipping rates & delivery estimates
Shipping charges for your order will be calculated and displayed at checkout.
All of our products have free shipping.

Shipment confirmation & Order tracking
You will receive a Shipment Confirmation email once your order has shipped containing your
tracking number(s). The tracking number will be active within 24 hours.
Customs, Duties, and Taxes Diopte is not responsible for any customs and taxes applied to your order. All fees imposed during or after shipping are the responsibility of the customer (tariffs, taxes, etc.).

If the item arrived damaged or faulty please contact us as well as the shipping provider, so we can help to solve this problem.

Please note that all of our products have factory warranty as well we offer 30day money guaranty

Tracking Information

If you need any updates or information about your order status please contact us and we will update you with the order status.

As soon as your product is shipped you will receive a tracking number where you can track your order with the shipping provider

Item not arrived

If your item did not arrive please contact the shipping provider. Only then contact us.

Item is Missing

If item is missing please contact us so we can take appropriate steps

Shipping Providers

Our Shipping providers Are: USPS, UPS, Fedex, DHL

International Shipping Policy
Please contact for Pricing

Shipping Address: Diopte
1 E Erie St
Ste 525 Unit #2153
Chicago, IL 60611
United States