Features: 1. Built-in 50W speaker and the sound maximum can reach 150dB. 2. Built-in more than 400 sounds with different animals and birds. Professional recording with clear and vivid sounds. 3. Built-in two-way remote control, the host and remote synchronous display,remote distances up to 250 yards. 4. Support an external speaker output and an audio input. 5. Remote supports 6 hotkeys, hunters can save 6 commonly used sounds, one-key enable,flexible operation. 6. The host use 10*AA batteries,and supports external 12V power supply. The remote control use 3*AA batteries.(not include the battery). 7. Host Size: 210*175*140MM Remote control Size: 170*78*25MM 8. Weight: 1.3KG/SET