Candeer Window Speaker System Intercom System for Business Microphone Intercom Full Duplex Intercom System Window Microphone and Speaker Anti Interference Dual Way Interphone for Bussiness

Feature ? The internal and external volume can be adjusted separately and the indicator light can be controlled according to the need; ? The extension of this Window Microphone and Speaker has different combinations of all-metal / plastic spray paint. ? The host is equipped with a recording jack, which can output internal and external sound signals (cooperate with the bank teller system for recording). ? The streamlined appearance of the host, unique design, aviation plug. Small size, beautiful appearance, only one connection line inside and outside, easy installation. ? The extension can be hung on the wall or pasted on the glass with the delivered strong tape. Parameter Working voltage: DC-9V Working current: 300 mA Host output power: 2w Microphone sensitivity: -46dB ± 2dB 20Hz ? 16KHz Host size: 118*103*50mm Extension size: ?70 * 21mm Total weight: 0.78kg What's in box: 1 x Window Speaker System 1 x External speaker 1 x Charger 1 x User manual