What's in the box:

Chuango 315MHz Wireless Sound Strobe Siren Flash Light Alarm Outdoor Waterproof Compatible with 315MHz Alarm Host, Remote Control, Door Sensor, PIR detector Home Security Alarm System (Standard)

Note: This wireless Chuango 315Mhz SPS-260 Solar siren only can work with the 315Mhz alarm panel(G5/A11/B11/H4 Plus), can't work with the 433MHz alarm panel.

Features:
The SPS-260 is completely free of wires, designed to protect yards, drive ways, gardens and all types of other external locations.
Built-in 1PCS 3.7V/1800mAh lithum battery enable standby time for 10 days. Powered by solar panels, no extra power needed.
Compatible with Chuango 315MHz alarm panels(G5/A11/B11/H4 Plus) and sensors, such as remote controls, door/window contact sensors and PIR detectors, etc.
Piercing 110dB siren, selectable duration. Volume ajustable (High/Low/Mute).
Weatherproof and stylish design.

Specifications:
Backup Battery: 18650 3.7V 1800mAh rechargeable lithium battery(included)
Battery standby time: 45 days
Solar panel output current: 2000LX illumination 4mA (in sunlight)
Standby current: 1mA
Alarm Current: 350mA
Maximum Siren Volume: 110dB
Wireless transmitting distance: 80m (in open area)
Radio frequency: 315MHz
Housing material: PC+ABS+ANTI-UV
Waterproof: IP55
Item Size(L x W x H): 309 * 230 * 79.7mm

Package List:
1 * SPS-260 Solar Powered Siren