Holy Stone F181 vs Autel Robotics Loudspeaker Module for (EVO)

Holy Stone F181C RC Quadcopter Drone with HD Camera RTF 4 Channel 2.4GHz 6-Gyro with Altitude Hold Function,Headless Mode and One Key Return Home, Color Black

Equipped with One Key Return & Headless Security System to assist beginners and help prevent losing the drone

Altitude Hold Function: Powerful air pressure altitude hold function allows the drone to hover at it's current height after releasing the throttle stick. Easy for you to shoot quality images or videos.

One Key 360° 4-Ways Flip (left,right,forward,backward), Continuous Roll For Perfect Action And Wonderful Performance

Come With Two Batteries (BONUS BATTERY) For Longer Flight Time.

Range: About 50-100 Meters. Battery Flight Time: About 7-9 Minutes. Charging Time: About 80 Minutes. Drone Size:12.2(L) x 3.5(H) x 12.2(W) inches

ASIN: B00SAUAP5C

Autel Robotics Loudspeaker Module for EVO II Enterprise/RTK Series Drone

📣 Autel EVO II Loudspeaker enables more effective on-site communication through long-distance telephony and audio loops. Designed for better drone l-aw enforcement missions, for broadcasting or communicating in e-mergencies and for warning and defense purposes.

📣 Weighing only 98.5 grams, the speaker is lightweight and compact, making it ideal for aviation use. The Autel robotics loudspeaker is a specialized accessory for various models of Autel drones, including the Autel EVO II Pro RTK(V2&V3)/ Autel EVO 2 Dual 640T RTK (V2&V3)/ EVO II Pro Enterprise(V2&V3)/ Autel EVO 2 Dual 640T Enterprise (V2&V3) .

📣 Different Modes: Instant broadcast and recording playback; manual angle adjustment before takeoff, adjustable angle range of 0° to 45° for flexible audio orientation; real-time volume adjustment.

📣 Sound Intensity: After testing, in an environment of 65db, the sound intensity of the drone at different distances from the test point is: 120dB at 1 meter (3.3 feet) ; 88dB at 60 meters (197 feet); and 70dB at 110 meters (360 feet).

📣 Decibel: 120dB @ within 1m; 88 dB@60m; 70dB@110m (ambient noise 65 dB).

📣The Loudspeaker widely used in Public Safety, l~aw enforcement missions, mapping military, search rescue, security, firefighting, broadcasting ect. If you have any concern, please contact 📧autelofficial @ o u t l o o k . c o m📧 for any further questions.

ASIN: B0B2RJQD1L