You can use this 1800mAh to extend the Lama 400 flight time. It's about 1/2 inch longer than the stock Lama 400 battery. You will also need to get the "Deans to Banana Connector Adapter" (Please click "More Info") Dimensions: 100 (L) * 34 (W) * 20 (H) mm

Dimensions: 100mm x 35mm x 20mm

To use this 2200mAh Battery on the Walkera 60#B you will also need to get the "Deans to Walkera Round 3-cell Battery Connector Adapter". Please click "More Info". Dimensions: 105 (L) * 36 (W) * 22 (H) mm

You can effortlessly prolong battery life by frequently checking its voltage. Measuring 1-cell for Walkera/Novus and 3-6 cell for Trex450/600 helis, this one step plug & test meter is accurate and much easier to use than most cumbersome voltage meters.

This is a battery meter with built-in low voltage alarm can also be installed on board helicopters. At low voltages, a led will light up and the double buzzers will also sound a warning for pilots who are too far from the helicopter to prevent crashes.

This is a telemetry package with 2 voltage sensors and 4 heat sensors plus Walkera Devo RX802. Although it has the input connector for GPS data, the GPS module itself is not included.

DEVO 8S is the most popular model out of the 4 Devention Transmitters from Walkera. It's a full size unit with a lot of advance features. This package comes with matching DEVO RX801 Receiver. You need to get Walkera Telemetry Module package

This is a telemetry package with 2 voltage sensors and 4 heat sensors. Although it has the input connector for GPS data, the GPS module itself is not included.

New generation radio with telemetry and vibration alarm which can be set to trigger on the lowest voltage or highest temperature you set. No receiver included in this package. Approved by Wow Hobbies with stringent test.

Radio transmitter hands free neck strap. Total length 45 inches.