Specification of Transmitter K-999
1. With high strength ABS material cover
2. Using digital code technology and the function is steady and reliable
3. It can call 999 persons
4. With power on/off function
5. With Clear and Next function
6. Can work with K-236, K-300, K-302, K-402NR, K-2000, K-800, K-4-C, K-4-D, K-10 receiver
Technical parameters:
Signal Range: >500m in open are
Working voltage: DC12V
Working current: <20mA
Working Frequency: 315MHz±75k  or 433.92mhz 
Dimension:160*118*60mm

Specification of Receiver K-10 coaster 

Size: 95*95*25(mm),

Shell Material: High-quality polycarbonate

Power: Built-in 3.7V polymer lithium battery

Color: Dark red 0.28 inch RED LED dispaly 4 digits

Prompt mode: Sound , Vibration, Flicker 

Low battery remind: Yes

Working voltage: DC12V