Wuloo Intercoms Wireless for Home 1 Mile (5280 Feet) Range 10 - Channel, Wireless Intercom System for Home House Business Office, Roo

Intercom System WL666 - 2 Stations Black Upgrade handsfree Intercom System S600 - 2 Stations Intercom System WL666 - 2 Stations White Intercom System WL888 - 4 Stations Black Intercom System WL888 - 2 Stations White Intercom Doorbell W1T1 - Black Talking Press and hold to TALK Hands free to TALK Press and hold to TALK Press and hold to TALK Press and hold to TALK Press and hold to TALK Channel Quantity 10 Channel 10 Channel 10 Channel 22 Channel 22 Channel none Code Quantity 3 Code 10 Code 3 Code 100 Code 100 Code 3 Code Signal Range 1 Mile ( 5280 ft ) 1 Mile ( 5280 ft ) 1 Mile ( 5280 ft ) 1 Mile ( 5280 ft ) 1 Mile ( 5280 ft ) 1/2 Mile ( 2640 ft ) Power ON/OFF Key none ✓ none ✓ ✓ The indoor machine has Power button, and the outdoor machine without; Expandable ✓ ✓ ✓ ✓ ✓ ✓ Use For Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) Home, Office, Business, Outdoor Activities Power Bank Support 5V 1A (Not included) Support 5V 1A (Not included) Support 5V 1A (Not included) Support 5V 1A (Not included) Support 5V 1A (Not included) Don't support power bank, use rechargeable battery (Battery included) Usage Scenarios Troubleshooting 1. Channel key does not light----Check the AC power cord. Is it connected properly? Or change AC adapter to test. 2. Cannot receive response---

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