Feature

●Material: ABS resin, Radio Distance: About 328.3 ft (100 m), Weight: Receiver: About 4.3 oz (116 g) (excluding batteries); Push button transmitter: Approximately 0.8 oz (23 g) (excluding batteries)
●Installation location: Receiver (chime): Indoor transmitter (push button): Outdoor (IPX4 splash proof), Frequency: 313 MHz (specific small power devices), Accessories: 2 mounting screws, 2 sleeves, 1 double-sided tape
●Power supply: Receiver: 3 x AA batteries (sold separately) Push button transmitter: Coin shaped lithium battery (CR2032) x 1 (sold separately) and ID code: Approx. 65,000 ways
●Battery life: Receiver: Approx. 1 year press button transmitter: Approx. 2 years, Usable temperature range: 32 - 104°F (0 - 40°C)
●Volume: Approx. 85 dB/m *When volume (Large) Size: Receiver: 4.8 x 1.1 x 3.3 inches (121 x 27 x 85 mm) Push Button Transmitter: 1.3 x 0.7 x 3.1 inches (33 x 18 x 80 mm)


Description

Wireless type (wireless) no wiring required for easy installation
Ideal for calling and notifications in homes and stores and offices.
There are around 65,000 ID codes so you dont have to worry about interference.
The lamp flashes to remind you when to change the battery.
You can set 10 different alarms according to your preference.
Rainproof push buttons that can be installed outdoors such as under eaves. Do not install in places where a large amount of water (such as guerrilla downpours, typhoons, etc.) is directly exposed to water.