Item Type: Wireless Pager_x000D_ SU-620 Display Receiver Description: _x000D_ Working Frequency: 433.92MHz_x000D_ Material: ABS_x000D_ Working Voltage: DC 5V_x000D_ Working Current: 100mA10mA_x000D_ Receiving Sensitivity: -110dBm_x000D_ Decoding: Learning Code_x000D_ Waterproof Rating: IPX4_x000D_ Working Temperature: -20~ 60_x000D_ SU-A01 Button Transmitter Description: _x000D_ Working Frequency: 433.92MHz_x000D_ Battery Model: 23A12V_x000D_ Battery Capacity: 60mah_x000D_ Emission Current: 10mA3mA_x000D_ Standby Current: 500meter / 1640ft_x000D_ Keys: 1 million times_x000D_ Waterproof Rating: IPX4_x000D_ Working Temperature: -20~ 60_x000D_ One Touch: Call_x000D_ How to use: _x000D_ Key Function Description: Function key (FUN) Confirm key (ENT) Down key (DOWN) Left and right keys (MOVE) Up key (UP)_x000D_ The Function Options as Follows: _x000D_ F1-1 Add pager option_x000D_ F1-2 Delete pager option_x000D_ F2-1 Add remote control option_x000D_ F2-2 Delete remote control option_x000D_ F3-1 Cycle number option is 0 to display when calling, and other numbers (1-15) represent the number of recent calls._x000D_ F3-2 Last stay display time 1-99 seconds_x000D_ F3-3 Cycle interval time 1-99 seconds_x000D_ F3-4 Report number model option_x000D_ F4-1 Single-key and multi-key options 1 is single-key, 4 is multi-key_x000D_ F5-1 Volume adjustment options 0-30_x000D_ F5-2 Prompt sound option 0-2_x000D_ F5-3 Number of reports 1-9_x000D_ F6-1 Delete all pagers_x000D_ F6-2 Restore factory settings (and delete all pagers)_x000D_ F7-1 Time setting1Using radio frequency wireless technology, the system is stable, and the wireless receiving distance is long. 2The call button word can be selected and set, and it supports 400 pagers, making notifications more convenient. 3The display can show the specific time, and there are 30 levels of numerical control volume can be adjusted. 4Using advanced micro?processing chip, is convenient to move, stable and reliable. 5Widely used in various places such as homes, hospitals, hotels, restaurants, factories, nursing homes and offices 1 x Display 1 x User Manual 1 x Power Supply 10 x Transmitters 10 x Glue Stickers