Hollyland Lark M2 Camera verson

Mic Sensitivity

-37 dBV ± 2dB @ 1 KHz, 94dB SPL
Wireless Modulation Mode

GFSK 2 Mbps
Wireless Transmission

2.4 GHz Adaptive Frequency Hopping (AFH)
Transmission Range

Mobile Version: Up to 1000ft (300m) for LOS/200ft (60m) for NLOS
Camera Version: Up to 1000ft (300m) for LOS/130ft (40m) for NLOS
Mic Polar Pattern

Omnidirectional
Frequency Response

20 Hz–20 kHz
Signal-to-Noise Ratio

> 70dB
Sound Pressure Level

115dB SPL
Bit Depth

24-bit
Sample Rate

48 kHz
Battery Voltage

TX: 3.87V
Camera Version RX: 3.87V
Mobile Version Charging Case: 3.8V
Camera Version Charging Case: 3.8V
Battery Capacity

TX: 97 mAh
Camera Version RX: 145 mAh
Mobile Version Charging Case: 750 mAh
Camera Version Charging Case: 1950 mAh
Operating Time

TX: About 10 hours
Camera Version RX: About 9 hours
Mobile Version Charging Case: > 2 times charging for 2 TX at the same time
Camera Version Charging Case: > 3 times charging for all TX and RX at the same time
Charging Time

TX: About 1.5 hours
Camera Version RX: About 1.5 hours
Mobile Version Charging Case: < 1.5 hours
Camera Version Charging Case: < 2 hours
Charging Temperature

0° C to 45° C
Operating Temperature

–10° C to 45° C
Dimensions

TX: Approx. D26mm x 9.9mm (1.0” x 0.4”)
Mobile Version RX: Approx. 40mm x 16.5mm x 9mm (1.6” x 0.6” x 0.4”)
Camera Version RX: Approx. 40mm x 25.7mm x 20.5mm (1.6” x 1.0” x 0.8”)
Mobile Version Charging Case: Approx. 75.8mm x 49.8mm x 35mm (3.0” x 2.0” x 1.4”)
Camera Version Charging Case: Approx. 86mm x 54mm x 39mm (3.4” x 2.1” x 1.5”)
Weight

TX: Approx. 9g (0.3oz)
Mobile Version RX: Approx. 6g (0.2oz)
Camera Version RX: Approx. 14.8g (0.5oz)
Mobile Version Charging Case: Approx. 65.6g (2.3oz)
Camera Version Charging Case: Approx. 111g (3.9oz)