Product 1. 5W , can be used with a single loudspeaker, or can be used in conjunction with walkie-talkies, loudspeakers, etc. Various matching modes are possible. 2.80dB treble, loud voice, clear intercom, no fear of noisy environment, no matter how noisy it is, you can still hear it. 3. Applicable to types of work, such as secretary, front desk, cashier, security room, etc. 4. Multi-person intercom, no wiring, 0 cost for intercom, no call fee, no WIFI. The charging model can electricity, making it more convenient to use. 5. It can be placed directly on the desktop or hung . There are wall mounting holes on the back of the .360 universal metal hose microphone, can be adjusted left and right, can be adjusted up and down. Product parameters: Output power: 5W Decibel: 80dB Frequency: 400-480MHz Voltage: DC 9V size: 105 x 135 x 40mm : PC colour: White Package Contents: 1 x Walkie-talkie 1 x Charger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.