Office Desk Call Bells

Features: 1. 3 reminder modes: vibration / buzzer / vibration + buzzer (each mode is accompanied by LED flashing). 2. Keyboard: 10-channel calling keypad, directly press the corresponding number to directly send signals. 3. 10 battery charging slots. 4. Each pager has a built-in rechargeable lithium battery, low battery indicator, and charging indicator. 5. Built-in external antenna, open area working distance of about 1000 meters (3280 feet). 6. Button function: long press for 3 seconds to switch on and off; short press to reset to standby. 7. Recording code SET: short press to enter the recording status; long press 5 seconds to clear the code. Specification: Weight: approx. 1185-1201g Receiver: Colour: Black Working frequency: 433.92MHZ Standby current: 10±5mA Working current: 75±10mA (vibration) Receive sensitivity: -107±2dBm Battery capacity: 200mAh Decoder: Learning Code (AM) Size: 49*101*11mm/1.9*4.0*0.4in 10-way Keyboard Host: Colour: Black Material: ABS Working frequency: 433.92MHz Standby current: 24±5mA Transmit current: 100±30mA Encoder: Learning Code (AM) Size: 130*190*33mm/5.1*7.5*1.3in Package list: 1 * 10-channel Keypad 10*Receiver 1 * Antenna 1 * Power Adapter 1 * English Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.