_x000D_ Item Recommend _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ NOTE: _x000D_ _x000D_ You can only work one to two _x000D_ 2 Way Voice Intercom Super Long Range Wireless Intercomunicador Waterproof Intercom Doorbell System Unit _x000D_ Feature: _x000D_ _x000D_ 1. DOORBELL UNIT: The pack contains 2 pcs doorbell system units, which can switch between ringtone call and intercom mode._x000D_ 2. INTERCOMUNICADOR FUNCTION: the two units can be used as intercomunicador for two way talk without shouting at home._x000D_ 3. LONG RANGE: The transmission distance of the voice intercom device can achieve 1000m in open area and 20 to 50m through wall, highly practical._x000D_ 4. INDICATOR LIGHT: The voice intercom units are humanized designed with intercom light and power light, users can see clearly at a glance._x000D_ 5. LONG BATTERY LIFE: The 2 way voice intercom has built in large capacity battery, adopts intelligent power saving chip, with long battery life._x000D_ _x000D_ _x000D_ Specification: _x000D_ _x000D_ _x000D_ Item Type: 2WayVoiceIntercom Material: ABS Model: H8 Battery: Rechargeable Lithium Battery 3.7V 2000mAh (Built in) Use: Widely used in household, office, laboratory environment, medical treatment, etc. Basic Parameter: Working Temperature: -20 to 55 Transmission Distance: 1000m in open area, 20 to 50m through wall Operating Frequency: 410M to 490M _x000D_ _x000D_ _x000D_ _x000D_ Package List: _x000D_ 2 x 2 Way Voice Intercom _x000D_ 2 x Base _x000D_ 2 x USB Cable _x000D_ 1 x User Manual _x000D_ _x000D_ _x000D_ _x000D_ How to use: Installandturnontouse._x000D_ _x000D_ About feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! _x000D_ _x000D_