10 pieces per box, 46 * 37.5 * 46cm, 14kg   Features: 1. Each pager is equipped with a rechargeable lithium battery, low battery indicator, and charging indicator 2. "0-9" numeric keypad: Press the number key and "Enter" key to call the number. 4. Prompt mode: Vibration&Buzzer&Vibration+Buzzer (each mode is accompanied by LED flashing) 5. External antenna, with a working distance of about 300-500m (0.2 miles) in open space Specifications: Taurus Frequency 433.92MHz Receiving sensitivity -110dBm Shell material ABS Standby time 18-20 hours Built in 3.7V 280mAh rechargeable lithium battery Reminder methods: Beep, LED flashing, vibration The transmission distance is about 300-500 meters, in an open area Size 80 x 73 x 15mm Weight 59g Keyboard call button Frequency 433.92MHz Screen: 74 x 37mm Material ABS plastic Working voltage DC 12V/1A power adapter Adaptor AC 100-240V 50/60Hz Size 162 x 112 x 72mm The package includes: 1 x keyboard transmitter 10 x pager 1 x power adapter 1 x circular charging dock 1 x User Manual